MB3893APFV Ver la hoja de datos (PDF) - Fujitsu

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componentes Descripción

Fabricante

MB3893APFV

Power Management IC for Mobile Phone

Fujitsu 

MB3893A

(Continued)

Pin No. Symbol

34

VBDET1

35

XRST

36

ICONT

37

LEDG

38

LEDR

39

GND2

40

VCC

41

INTV

42

CVC

43 BATSENSE

44

COSC

45

ROSC

46

BATSEL

47

VREFTH

48

TSENSE

I/O

Description

O Power supply drop detection output signal pin. (10 s Typ.)

O POR reset output pin.

I

REG output mode switching pin. 100 kΩ pull-down

O LED output pin. (open drain)

O LED output pin. (open drain)

 Ground pin.

 Power supply pin for the power supply control unit

 Internal power supply pin.

I

Phase compensation capacitor connection pin.

I

Battery connection verification input pin. 100 kΩ pull-up : VIN

I

Oscillator frequency setting capacitor connection pin.

100 pF + 19 pF (reference capacitance)

I

Oscillator frequency setting resistance connection pin.

I

Charge setting voltage switching pin.

100 kΩ pull-up : VIN (OPEN = 4.1 V, “L” = 4.2 V)

O Temperature detection reference voltage pin

I

Temperature detection input pin.

4

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