MB3893APFT データシートの表示（PDF） - Fujitsu

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MB3893APFT

Power Management IC for Mobile Phone

Fujitsu 

FUJITSU SEMICONDUCTOR

DATA SHEET

DS04-27800-2E

ASSP For Power Management Applications (Mobile Phones)

Power Management IC for Mobile Phone

MB3893A

s DESCRIPTION

MB3893A is a multi-function power management IC chip with built-in 4-channel series regulator providing the

output control functions and power supply drop detection circuits required for mobile phones. The MB3893A

includes lithium-ion battery charge control functions and functions as a built-in power management system ideal

for mobile phone devices.

s FEATURES

[Power Supply Control Unit]

• Supply voltage range

: VCC = 3.1 V to 4.8 V

• Low power consumption current during standby : 110 µA (Max.)

• Built-in 4-channel low-saturation voltage type series regulator

: 2.5 V/2 channels, 1.8 V/1 channels,

2.0 V/1 channels (1.9 V and 2.2 V available as mask options)

• Built-in interruption detection and supply recovery functions eliminate need for supplementary power supply

• Built-in On/Off switch circuit with accidental operation prevention function

• Accurate supply voltage drop detection

• Built-in power-on reset (OUT1) function

• Detection voltage with hysteresis

[Charge Control Unit]

• Supply voltage range

: VIN = 3.4 V to 5.9 V

• Built-in lithium-ion battery charge control functions

• Charging voltage

: 4.1 V/4.2 V (switchable)

• Built-in preliminary charging function

• Built-in re-charging function

• Built-in timer functions

• Built-in battery temperature detection function

s PACKAGES

48-pin plastic LQFP

48-pin plastic TQFP

(FPT-48P-M05)

(FPT-48P-M24)

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