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AS3606

austriamicrosystems
Part Number AS3606
Manufacturer austriamicrosystems
Description System PMU
Published Feb 18, 2015
Detailed Description Data Sheet AS3606 AS3607 System PMU with HV Back Light Driver Technical coantmesntAsGtill valid 1 General Description ...
Datasheet PDF File AS3606 PDF File

AS3606
AS3606

Overview
Data Sheet AS3606 AS3607 System PMU with HV Back Light Driver Technical coantmesntAsGtill valid 1 General Description The AS3606/07 is an ultra compact System PMU with integrated battery charger and HV back light driver.
The device offers advanced power management functions.
All necessary ICs and peripherals in a battery powered mobile device are supplied by the AS3606/07.
It features 3 DCDC converters as well as 5 low noise LDOs.
The different regulated supply voltages are programmable via the serial control interface.
The step-up converter for the backlight can operate up to 30V.
Both constant voltage (OLED supply) as well as constant current (white LED backlight) operations with 2 current sinks are possible.
An internal voltage protection is limiting the output voltage in the case of external component failures.
AS3606/07 also contains a Li-Ion battery charger with constant current and constant voltage.
The maximum charging current is 1A.
An integrated battery switch and an optional external switch are separating the battery during charging or whenever an external power supply is present.
With this switch it is also possible to operate with no or deeply discharged batteries.
A programmable current limit can be used to control the maximum current used from a USB supply.
The single supply voltage may vary from 2.
7V to 5.
5V.
2 Key Features Power Management Voltage Generation 3 DCDC step down regulators - DVM (0.
61V-3.
3V, 700mA) - 50µA quiescent current - Selectable switching frequency (2 or 1MHz) - 1.
4A with combined DCDC 2 & 3 1 LDO low noise 2.
7V (2.
3-3.
5V), 100mA 3 or 4 LDOs low noise - 1.
2-3.
5V; 150/250mA - 30µA quiescent current (low power mode) Power supply supervision (LDO5) 4sec and 8sec emergency shut-down Hibernation function HV Backlight Driver Step up for 30V backlight with internal transistor Voltage control mode and over-voltage protection 2 programmable current sink (max.
38mA) Max.
20mA@50V (with ext.
transistor) or 500mA@5V Possible external PWM ...


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