AMS AS3715EvalKit User guide

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User guide

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Eval Kit Manual
DN[Document ID]
ams Eval Kit Manual
Page 1
[v1-00] 2014-Jul-24
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AS3715
Standard Board
AS3715-WL-ES_EK_ST
AS3715 Standard Board
ams Eval Kit Manual
Page 2
[v1-00] 2014-Jul-24
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Table of Contents
1 Introduction .......................................................................................................................... 3
1.1 Kit Content ........................................................................................................................... 4
2 Getting Started ..................................................................................................................... 5
3 Hardware Description........................................................................................................... 5
4 Software Description ............................................................................................................ 9
4.1 LDO .................................................................................................................................... 10
4.2 DCDC ................................................................................................................................. 11
4.2.1 BUCK Converter ................................................................................................................ 11
4.2.2 BUCK Controller ................................................................................................................. 12
4.2.3 BOOST Converter, Charge Pump and Current Sinks ....................................................... 13
4.3 Housekeeping .................................................................................................................... 14
4.4 Standby .............................................................................................................................. 15
4.5 OtpStartup .......................................................................................................................... 16
4.6 StartupDiagram .................................................................................................................. 17
4.7 Charger .............................................................................................................................. 18
5 Schematics, Layers and BOM ........................................................................................... 19
5.1 Schematic of AS3715 Evaluation Boar .............................................................................. 19
5.2 BOM ................................................................................................................................... 27
6 Ordering & Contact Information ......................................................................................... 28
7 Copyrights & Disclaimer ..................................................................................................... 29
8 Revision Information .......................................................................................................... 30
AS3715 Standard Board
ams Eval Kit Manual
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1 Introduction
This document describes the AS3715 Evaluation Kit.
The AS3715 is a compact System PMU supporting two Li-Ion batteries and up to 14 power rails. It
futures 3 DCDC buck converts, 1 DCDC buck controller, 5V HDMI booster, HV backlight boost
controller with 2 current sinks as well as 8 low noise LDOs. The different regulated supply voltages
are programmable via the serial control interface.
AS3715 contains a linear or switch mode Li-Ion battery charger with constant current and constant
voltage operation. The maximum charging current is 1.5A. An internal battery switch and an
optional external switch are separating the battery during charging or whenever an external power
supply is present.
A dual USB input current limiter can be used to control the current taken from the USB supplies or
charger inputs. Additional features are a 30V overvoltage protection and JEITA compliant battery
temperature supervision with selectable NTC beta values.
The single supply voltage may vary from 2.7V to 5.5V
The Evaluation Kit has to be externally supplied. The graphical user interface (GUI) runs on PC
running Windows 7 and allows the user to control the AS3715. Use the enclosed USB cable to
connect the PC with the Evaluation board.
The AS3729 is a companion power stage, intended to be used with some AS37xx products.
It cannot be used without a DCDC controller. It contains the power FETs for 2 phases and is
capable to handle output currents of 3A per phase.
AS3715 Standard Board
ams Eval Kit Manual
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[v1-00] 2014-Jul-24
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1.1 Kit Content
Figure 1: Kit Content
Label
Item
Comment
1
USB flash drive
2
Evaluation board
AS3715 (81-pin WL-CSPCTBGA 0.5mm
pitch), AS3729 (16-pin WL-CSP 0.4mm
pitch)
3
USB connection cable
3
2
1
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ams Eval Kit Manual
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2 Getting Started
Drive the AS3715 and AS3729 only with the recommended settings and values as described in the
datasheet. Please check www.ams.com for the latest version.
For a detailed description of the Kit please read sections 3-5 of this document.
Install the GUI from the attached USB flash drive
Establish the connection between PC and Evaluation board via the enclosed USB cable
Connect the battery to VBAT and GND which is included in this kit. Check first if the battery is
loaded (~ 3.6 VDC).
Start the GUI
If promted perform a firmware upgrade on the Evaluation board in order to ensure a proper
communication to the GUI! The appropriate firmware file for the Evaluation board comes with
the GUI software and can be found in the GUI installation directory
Never disconnect the battery or interrupt the connection to the PC during the update!!!
If the AS3715 Evaluation Board is supplied and connected properly to the PC and the
appropriate firmware file is installed, the fields at the right bottom corner of the GUI becomes
green
For further information do not hesitate to contact us.
3 Hardware Description
The AS3715 Evaluation Board has to be powered via an external power supply, USB or battery.
The AS3715 can be controlled with the onboard µC or any other controller board via 10 pole
connector which enables fast code debugging.
AS3715 Standard Board
ams Eval Kit Manual
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Figure 2: Evaluation Board Overview
Label
Name
Designator
Description
Info
A
V_USB1
U2, BU1
CHGIN1
Charger adapter input (protected)
B
V_USB2
U4, BU8
CHGIN2
2
nd
Charger adapter input
C
VEBAT
BU2
VEBAT
External Li-Ion battery connector
D
VIBAT
BU3
VIBAT
Internal Li-Ion battery connector
E
AS3715
U6
PMIC
F
AS3729
SDxa
Power Stage
G
J1
J1
Ext. controller
10pole interface for external
controller
H
U3
U3
USB Mini B
Interface to the PC
I
S1
S1
ONKEY
Press button for HIGH on ONKEY
B
C
E
F
H
D
A
G
I
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ams Eval Kit Manual
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Figure 3: Jumper and device locations
Label
Name
Designator
Description
Info
A
VinLDO456
J30
LDO4,5,6 Supply
VSUP
SD3
B
EN1..4
J20, J21,
J22, J23
EN HIGH
Place Jumper to connect ENx to 2.5V
Supply
C
J17
J17
Short NMOS
Place Jumper to disable overvoltage
protection
D
J18
J18
CHGIN2
CHGIN2 connected to CHGIN1
CHGIN2 from V_USB2
E
J19
J19
Linear Mode
Place Jumper if charger is in linear mode.
Remove Jumper in swiched mode!
Otherwise AS3715 could be damaged
F
CURR1..3
J24, J25, J26
Current sinks
Place Jumper to connect Current sinks to
Step Up Converter
H
I2C PU
J8
I2C Pullup
Place Jumper to connect I2C Pullup
resistors to VSUP
B
C
E
F
H
D
A
G
I
J
K
L
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ams Eval Kit Manual
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Label
Name
Designator
Description
Info
I
SCL, SDA
J13, J14
I2C Pullup
Place Jumper to connect I2C Interface of
onboard uC to AS3715
J
BATTEMP
J27, J28
10k, 15k
Place Jumper to connect 10kOhm and/or
15kOhm resistor to BATTEMP
K
VinLDO78
J29
LDO7,8 Supply
VSUP
SD2
L
J32..39
J32..39
GPIO
Place Jumper to connect LED to GPIOx
AS3715 Standard Board
ams Eval Kit Manual
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4 Software Description
The graphical user interface (GUI) is used to control the AS3715 Evaluation board.
Start the GUI and setup the Hardware according section Error! Reference source not found.
Error! Reference source not found..
Make sure hardware is recognized and indicators on the bottom right side of the GUI are green
colored.
Figure 4: AS3715 Evaluation Software
AS3715 Standard Board
ams Eval Kit Manual
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4.1 LDO
The AS3715 features 8 low noise LDO’s.
Figure 5: LDO Settings
Label
Name
Comment
A
LDO on
Enabling / Disabling of LDOs
B
Vout Regulator
Output voltage
C
Current Limit
Current Limit setting
D
GPIO Control
GPIO controlling of LDOs
A
B
C
D
AS3715 Standard Board
ams Eval Kit Manual
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4.2 DCDC
4.2.1 BUCK Converter
The AS3715 features 3 DCDC step down regulators.
Figure 6: Settings for step down converter
Label
Name
Comment
A
SD on
Enabling / Disabling of DCDCs
B
Vout Regulator
Output voltage
C
Frequency/DVM
Control
Select switching frequency
D
Mode Settings
For further details please refer to the AS3715 datasheet. The latest
version of the datasheet can be found on our homepage,
www.ams.com
E
GPIO Control
GPIO controlling of DCDCs
A
B
C
E
D
AS3715 Standard Board
ams Eval Kit Manual
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4.2.2 BUCK Controller
The AS3715 features one DCDC step down controller which is used in combination with the
external Power Stage AS3729.
Figure 7: Settings for step down controller
Label
Name
Comment
A
SD on
Enabling / Disabling of DCDC
B
Vout Regulator
Output voltage
C
Mode Settings/
Phase Control
For further details please refer to the AS3715 datasheet. The latest
version of the datasheet can be found on our homepage,
www.ams.com
D
Frequency/DVM
Control
Select switching frequency of SD4
E
Slave Selection
Set SD2/3 as slave converter
A
B
C
E
F
AS3715 Standard Board
ams Eval Kit Manual
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4.2.3 BOOST Converter, Charge Pump and Current Sinks
The AS3715 features one 5V Charge Pump, a step up converter and 3 current sinks.
Figure 8: Boost Converter, CP and CS
Label
Name
Comment
A
CP/SU on
Enabling / Disabling Charge Pump/Step Up Converter
B
Frequency
Select switching frequency
C
Feedback
Select if one or two resistors are used for feedback voltage
D
Mode Selection
For further details please refer to the AS3715 datasheet. The latest
version of the datasheet can be found on our homepage,
www.ams.com
E
ICurrX
Select current of sinks
F
Mode
Select mode of current sinks
D
A
A
B
B
C
D
F
E
AS3715 Standard Board
ams Eval Kit Manual
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4.3 Housekeeping
In this section GPIO, Reset/Startup, Interrups, ADC and Supervisor can be defined.
For further details please refer to the AS3715 datasheet. The latest version of the datasheet can be
found on our homepage, www.ams.com
Figure 9: Housekeeping
AS3715 Standard Board
ams Eval Kit Manual
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4.4 Standby
This section defines which rails should be enabled in standby mode.
Figure 10: Standby
AS3715 Standard Board
ams Eval Kit Manual
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4.5 OtpStartup
This section defines the startup sequence and enables programing of OTP.
Figure 11: OtpStartup
AS3715 Standard Board
ams Eval Kit Manual
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4.6 StartupDiagram
A diagram of the in the OtpStartup section defined values is shown here.
Figure 12: StartupDiagram
AS3715 Standard Board
ams Eval Kit Manual
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4.7 Charger
In this section the Charger can be defined.
For further details please refer to the AS3715 datasheet. The latest version of the datasheet can be
found on our homepage, www.ams.com
Figure 13: Charger
AS3715 Standard Board
ams Eval Kit Manual
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5 Schematics, Layers and BOM
The AS3715 Evaluation Board is a 6-layer HDI board. The main components are the AS3715
together with the Power Stage AS3729 plus additionally some active components, passive
components, several test points and connectors.
Figure 14: AS3715 PCB Layer Stack up
5.1 Schematic of AS3715 Evaluation Boar
Figure 15: Schematic
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Size
Date
Project Title
Revision
Sheet ofOriginator mkc
AS3715 Evalboard WLCSP
A3
1.0
23.08.2013
4
3
16V
0603
C39
1µF
VIN_LDO78
VIN_LDO456
VIN_LDO123
VIN_LDO123
J31
Jumper3_THMD
VSUP
VIN_LDO456
J30
Jumper3_THMD
VSUP
VIN_LDO78
J29
Jumper3_THMD
VSUP
VSUP
VSUP
VLF403215MT-100M
L7
10µH
GND
GND
GND GND GND GND GND GND GND GND GND GND GND
GND
GND
PMEG4010BEA
D7
0603
R16
1M
0603
R18
100k
GND
50V
0603
C35
1.5nF
50V
0603
C37
15nF
25V
0805
C36
2.2µF
GND
GND
SU
0603
16V
C31
470nF
5V 0603
C32
4.7µF
16V
0603
C33
1µF
GND GND
VSUP
GND
TEMP_SD4
CTRL1_SD4
CTRL2_SD4
FB_SD4_N
16V 0603
C19
2.2uF
10V
1206
C20
47µF
10V
0805
C25
10µF
10V
0805
C27
10µF
TFM252010GHM
L3
1µH
16V 0603
C21
2.2uF
16V 0603
C26
2.2uF
TFM252010GHM
L4
1µH
TFM252010GHM
L5
1µH
GND
GND
GND
GND
GND
GND
GND
GND
GND
SI2306BDS-T1-E3
Q1
16V
0603
C16
4.7µF
16V
0603
C17
4.7µF
GNDGND
V_USB1
J17
short NMOS
V_USB1V_USB2
16V
0603
C38
100nF
GND
S1
SW_SPST2_GND
GND
V2_5
V2_5
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
16V
0603
C34
1µF
GND
VSUP
SD1
SD2
SD3
1
TP9
SD1
1
TP10
SD2
1
TP11
SD3
1
TP12
V5_0
V5_0
V5_0
1
TP13
SU
SCL
SDA
10V
1206
C22
47µF
25V
0603
C23
10µF
16V
0603
C24
2.2uF
VSUP
GND GND GND
TFM252010GHM
L6
1µH
PMEG4010BEA
D6
25V
0603
C29
10µF
GND
VEBAT
VIBAT
PMEG4010BEA
D5
BATTEMP
BATTEMP
J27
R10k
GND
Q2A
Q2B
VEBAT
GND
J19
Linear mode
0603
D11
0603
D10
0603
D9
0603
D8
0603
D15
0603
D14
0603
D13
0603
D12
0603
D19
0603
D18
0603
D17
0603
D16
SU
J24
CURR1
J25
CURR2
J26
CURR3
VSUP
CTRL1_SD4
CTRL2_SD4
TEMP_SD4
FB_SD4_P
FB_SD4_P
LDO1
LDO2
LDO3
LDO4
LDO5
LDO6
LDO7
LDO8 1
TP16
LDO3
1
TP17
LDO4
1
TP18
LDO5
1
TP19
LDO6
1
TP20
LDO7
1
TP21
LDO8
1
TP15
LDO2
1
TP14
LDO1
LDO1
LDO2
LDO3
LDO4
LDO5
LDO6
LDO7
LDO8
16V
0603
C18
4.7µF
GND
(nm)
16V
0603
C15
4.7µF
GND
J18
CHGIN
25V
0603
C28
10µF
GND
0603
R19
10k
J28
R15k
GND
0603
R13
0R
0603
D20
J32
GPIO1
0603
R21
6k8
GND
GPIO1
J20 EN1 2V5
J21 EN2 2V5
J22 EN3 2V5
J23 EN4 2V5
V2_5V2_5V2_5V2_5
0603R17 1M
VSUP
VSUP
VSUP
VSUP
0603
D22
J34
GPIO2
0603
R23
6k8
GND
GPIO2
0603
D24
J36
GPIO3
0603
R25
6k8
GND
GPIO3
0603
D26
J38
GPIO4
0603
R27
6k8
GND
GPIO4
0603
D21
J33
GPIO5
0603
R22
6k8
GND
GPIO5
0603
D23
J35
GPIO6
0603
R24
6k8
GND
GPIO6
0603
D25
J37
GPIO7
0603
R26
6k8
GND
GPIO7
0603
D27
J39
GPIO8
0603
R28
6k8
GND
GPIO8
FDC604PQ3
± 0.1%
0603
R20
15k
GND
PVSS1
B4
LX1
B3
VSUP1
B2
CTRL2
D1
PVSS2
D4
LX2
D3
VSUP2
D2
TEMP
B1
PVSS1
A4
LX1
A3
VSUP1
A2
CTRL1
A1
PVSS2
C4
LX2
C3
VSUP2
C2
AGND
C1
AS3729
5A Power Stage
SDXa*1
AS3729
GND
LX1(29)-2
LX1(29)-2
LX1(29)-1
LX1(29)-1
GND
GND GND
GND GND
GND GND
10V
1206
C13
47µF
(nm)
10V
1206
C14
47µF
10V
1206
C11
47µF
(nm)
10V
1206
C12
47µF
(nm)
10V
0805
C10
10µF
10V
0805
C9
10µF
10V
0805
C7
10µF
(nm)
10V
0805
C8
10µF
GND
XFL4012-471L1 0.47µH
XFL4012-471L2 0.47µH
EN1
EN2
EN3
EN4
VINLDO123
G2
LDO1
H1
LDO2
G1
LDO3
F2
LDO4
A5
LDO5
A4
LDO6
A3
VINLDO78
H5
LDO7
J4
LDO8
J5
VINLDO456
B3
EBATSW
D7
XOFF
C8
CHGIN1
A6
VSUP_CHG
A7
CHGOUT
A9
VUSB
E6
VEBAT
D3
V2_5
F1
CREF
F3
BATTEMP
E5
ONKEY
H4
SCL
H3
SDA
F6
XRES
J2
VSUP_GPIO
J3
GPIO1
G5
GPIO2
G4
GPIO3
H2
GPIO4
J1
CURR1
J6
CURR2
H6
CURR3
G6
LX_SD1
H7
FB_SD1
G7
VSUP_SD1
H8
LX_SD2
G9
FB_SD2
E8
VSUP_SD2
G8
LX_SD3
D9
FB_SD3
D8
VSUP_SD3
C9
FB_SD4_N
B1
V5_0
E1
VSS_CP
D2
CTRL1_SD4
C1
CAPN
D1
CAPP
E2
FB_SU
C5
GATE_SU
B2
VSUP_CP
E3
SENSEP_SU
D5
VSUP_SU
C3
TEMP_SD4
C2
AS3715
VSS_SD1
J8
VSS_SD2
F9
VSS_SD1
J9
VSUP_SD1
H9
VSS_SD3
E9
CTRL2_SD4
D4
FB_SD4_P
C4
SD1
VSS_SU
A1
SENSEN_SU
A2
LX_SD1
J7
Dual Power Path PMIC
OVPLimiter
CHGIN1
B6
CHGIN2
A8
CHGIN2
B8
Charger
IBATSW
C7
VIBAT
E4
CHGOUT
B9
VSUP_CHG
B7
I2CGPIO
GPIO5
G3
GPIO6
F5
GPIO7
F4
GPIO8
B4
Control & Ref
EN1
C6
EN2
B5
EN3
E7
EN4
D6
LDO1-8
VSS_ANA
F7
VSSA
F8
SINK
SD2SD3SD4CPBOOST
U6
AS3715
16V
0603
C30
2.2uF
16V
0603
C40
2.2uF
16V
0603
C41
2.2uF
16V
0603
C42
2.2uF
16V
0603
C43
2.2uF
16V
0603
C44
2.2uF
16V
0603
C45
2.2uF
16V
0603
C46
2.2uF
16V
0603
C47
2.2uF
16V
0603
C48
2.2uF
16V
0603
C49
2.2uF
16V
0603
C50
2.2uF
0603
R6
0R
0603
R14
0R
0805
250mW
R15
0R15
1
2 3
SI1304BDL-T1-E3
Q4
FB_SD1
LX_SD1
FB_SD2
FB_SD3
LX_SD2
LX_SD3
VSUP_CP
CAPP
CAPN
VSUP_SU
SENSEN_SU
GATE_SU
FB_SU
CURR1
CURR2
CURR3
ONKEY
XRES
CREF
V2_5
VIBAT
CHGOUT
XOFF
CHGIN1
CHGIN2
EBATSW
IBATSW
0603
R7
0R
0603
R8
0R
0603
R9
0R
(nm)
0603
R29
0R
CTRL1 CTRL2
CTRL1
CTRL2
0603
R10
0R
0603
R11
0R
0603
R12
0R
FB_SD4_P
GND
VSUP_SU
GND
16V
0603
C51
1µF
1
TP22
SD4
1
2
3
J41
Stipline3
1
2
3
J40
Stipline3
GND
FB_SD4_P
VSUP_GPIO
SD2
SD3
SD3
R30
0R
R31
0R
1
(nm)
TP24
1
(nm)
TP25
AS3715 Standard Board
ams Eval Kit Manual
Page 20
[v1-00] 2014-Jul-24
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Figure 16: Schematic page 2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Size
Date
Project Title
Revision
Sheet ofOriginator mkc
AS3715 Evalboard WLCSP
A3
1.0
23.08.2013
4
4
PIC24FJ64GB
PGED1
1
PGEC1
2
RP2
3
RP3
4
VSS
5
RA2
6
RP4
8
RA4
9
VDD
10
RB5
11
VBUS
12
RP7
13
RP9
15
DISVREG
16
VCAP
17
D+
18
D-
19
VUSB
20
RP15
23
VSS
24
VDD
25
MCLR
26
RP5
27
RP6
28
RA3
7
RP8
14
RP13
21
RP14
22
EP
29
U1
PIC27FJ64GB002
BUS_PWR
1
D-
2
D+
3
ID
4
GND
5
CASE
6
U3
USB_AB_MINI_SMD_MOLEX
D1
ESD
D2
ESD
D3
ESD D4
6V8
D+
D-
V_PIC_5V
V_PIC_5V VDD_PIC_3V3
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
(nm)
J1
HEADER10_THMD
Connector for external uC board
1
2
3
4
5
6
J5
programming IF
GND
+5VVDD_PIC_3V3 VDD_PIC_3V3
RP13
RP13
D-
D+
VDD_PIC_3V3
J14
SDA
J13
SCL
GND
GND
GND
GNDGND
GND
GND GND GND GND GND GND GND
GND GND
GND
GND GND
BU1
V_USB1
497344
BU4
GND
V_USB1
GND
BUS_PWR
1
D-
2
D+
3
ID
4
GND
5
CASE
6
9786490
U2
USB_AB_MINI_SMD_MOLEX
V_USB1
GNDGND
BU8
V_USB2
BU9
GND
V_USB2
GND
BUS_PWR
1
D-
2
D+
3
ID
4
GND
5
CASE
6
9786490
U4
USB_AB_MINI_SMD_MOLEX
V_USB2
GNDGND
VEBAT VIBAT
BU2
VEBAT
BU5
GND
GND
BU3
VIBAT
BU6
GND
GND
1
TP1
GND
1
TP2
GND
1
TP3
GND
1
TP4
GND
GND GND GND GND
1
TP5
V_USB1
1
TP8
V_USB2
1
TP6
VEBAT
1
TP7
VIBAT
BU7
BATTEMP
BATTEMP
SCL
SDA
0603
R3
4k7
0603
R2
4k7
J8
SCL
VSUP
J9 EN1
J10EN2
J11EN3
J12EN4
EN1
EN2
EN3
EN4
SCL
SDA
1
2
3
4
J15
VIBAT
1
2
3
4
J16
GND
16V
0603
C1
100nF
16V
0603
C2
100nF
25V
0603
C3
10µF
16V
0603
C4
100nF
16V
0603
C5
1µF
16V
0603
C6
1µF
AS1360
LDO
OUT
2
IN
3
GND
1
U5
AS1360
0603
R1
10k
0603
R4
100k
(nm)
0603
R5
100k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
J4
Stipline18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
J3
Stipline18
VSUP
LDO2
LDO3
LDO1
VIN_LDO123
CURR3
CURR2
CURR1
CTRL1_SD4
CTRL2_SD4
TEMP_SD4
FB_SD4_P
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
J7
Stipline17
FB_SU
SU
GATE_SU
VSUP_SU
SENSEN_SU
VSUP_CP
V5_0
V2_5
XOFF
V_USB1
CHGIN1
CHGIN2
VIN_LDO456
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
J2
Stipline15
LDO6
LDO5
LDO4
EN1
EN2
EN3
EN4
SCL
SDA
CREF
XRES
ONKEY
LDO7
LDO8
VIN_LDO78
VSUP_GPIO
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
VSUP
EBATSW
IBATSW
VEBAT
VIBAT
BATTEMP
SD1
SD2
SD3
GND
VSUP
1
TP23
GND
GND
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AMS AS3715EvalKit User guide

Type
User guide
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