AS3715 datasheet(2/160 Pages) AMSCO

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ams Datasheet, Confidential

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[v1-00] 2014-Sep-10

AS3715 − General Description

Applications

The device is suitable for digital still cameras, outdoor action

cameras, digital movie cameras, general Li-Ion battery powered

mobile devices.

Backlight boost controller for multiple display

configurations or fixed voltage supplies

• Current mode boost controller with two current

sinks.

• Constant voltage operation and over-voltage

protection

• 3 programmable current sinks (max. 40mA)

• Possible external PWM dimming input (DLS,

CABC)

Self-contained Li-Ion battery charger with dual

battery and USB path control.

• 1.5A max charging current

• Dual battery control

• Dual charger input with current limiters

• Soft-, Trickle-, Constant Current and Constant

Voltage operation (3.5 .. 4.44V)

• Linear and switch mode charging

• Charger timeout and JEITA temperature

supervision

•NTC beta selection

Save supervision in HW which works also without a

processor.

• Supervisor with interrupt generation and

selectable warning levels

- Automatic battery monitoring

- Automatic temperature monitoring

- Power supply supervision for DCDC

Flexible multi-purpose IOs for general control tasks.

• General Purpose IOs

-ADC input

-Wake-up/stand-by input

- PWM input/output

- Low battery and power good status

Enables the processor to check the actual system

state in detail.

• ADC with internal and external sources

Flexible and fast adaptation to different

processors/applications.

• OTP programmable Boot and Power-down

sequence

Power saving control according to the processor

needs.

• Stand-by function with programmable sequence

and voltages

Self-contained start-up and control dual battery and

dual USB operation. Safety shutdown feature.

• Control Interface

- I²C control lines with watchdog

- ONKEY with 4/8s emergency shut-down

-POR with RESET I/O

Dedicated packages for specific applications.

Optimization for PCB cost or size.

•Package

- 81-ball WL-CSP 0.4mm pitch

Benefits

Features

AS3715 Datasheet(PDF) 2 Page - ams AG

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