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AS3701 Datasheet Preview

AS3701 Datasheet

Micro-PMIC

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AS3701
Micro-PMIC
General Description
The AS3701 is a small compact PMU for small size and low power
applications.
AS3701 features one 500mA DCDC buck converter operating
from 1MHz up to 4MHz, two 200mA LDOs, two 40mA current
sinks and offers additional GPIO functions. Further, the device
contains an integrated linear battery charger with constant
current and constant voltage operation. The wide charging
current range going from 11mA up to 500mA and the integrated
battery temperature monitoring with selectable NTC beta
values make this device suitable for a great variety of
applications.
The single supply voltage may vary from 2.7V to 5.5V and all
functionalities of AS3701 can be controlled via the I²C interface.
Ordering Information and Content Guide appear at end of
datasheet.
Figure 1:
Added Value of Using AS3701
Key Benefits & Features
The benefits and features of AS3701, Micro-PMIC are listed
below:
Benefits
Features
Multiple rails in a compact design for low
power applications
Self-contained Li-Ion battery charger with
power path
Flexible multi-purpose IOs for general control
tasks and for standalone operation without
I²C interface
2 x 200mA universal LDO (1.2V to 3.3V)
500mA Step-down DCDC (0.6125V to 3.35V)
2 programmable current sources up to 40mA
Possible external PWM dimming input
Linear charger with internal transistor
500mA max charging current
Trickle-, Constant Current and Constant Voltage
operation (3.82V to 4.44V)
Charger timeout and temperature supervision
NTC beta selection
Wake-up / Stand-by / Power-down input
PWM input/output
Interrupt input/output
Low battery and Power Good output
Charging and USB current setting input
Charger control input/output
ams Datasheet
[v1-07] 2016-Apr-05
Page 1
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ams

AS3701 Datasheet Preview

AS3701 Datasheet

Micro-PMIC

No Preview Available !

AS3701− GeneralDescription
Benefits
Flexible and fast adaption to different
processors/applications
Power saving control according to the
processor´s needs
Self-contained start-up and safety shutdown
feature
Cost effective, small package optimized for
PCB cost or size
Features
OTP programmable Boot sequence
Stand-by function with programmable voltages
I²C control interface
ON-key with 4/8s emergency power-down
POR with Reset I/O
17-balls WL-CSP with 0.4mm pitch
20-balls WL-CSP with 0.4mm pitch
Applications
The device is a PMU for low power applications like sport
watches, smart watches, handheld GPS devices, mobile phones
and any other 1-cell Li+ powered devices.
Page 2
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ams Datasheet
[v1-07] 2016-Apr-05


Part Number AS3701
Description Micro-PMIC
Maker ams
Total Page 30 Pages
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