Analog Integrated Circuit Device Data

Freescale Semiconductor

3

34675

PIN CONNECTIONS

PIN CONNECTIONS

Figure 3. 34675 Pin Connections

Table 1. 34675 Pin Definitions

A functional description of each pin can be found in the Functional Pin Description section beginning on page 12.

Pin Number

Pin Name

Pin Function

Formal Name

Definition

1

VIN

Input

Input supply

The power supply input.

2

PPR

Output

Power present

indicator

Indication of the input power status. Open drain output.

3

CHG

Output

Charge indicator

Indication of the charge status. Open drain output.

4

EN

Input

Enable

Enable logic input.

5

GND

Ground

Ground

Ground.

6

DET

Output

Regulator output

The 4.85V/10mA linear regulator output.

7

ISET

Output

CC mode current

setting and charge

current monitor

CC mode current setting and charge current monitoring pin.

8

BAT

Output

Charger output

The charger output pin. Connect this pin to the Li-Ion battery.

EPAD

EPAD

N/A

Exposed pad

The exposed pad for thermal dissipation enhancement. It must be

soldered on the large ground plane on the PCB to increase the thermal

dissipation. The pad must be connected to GND electrically

BAT

ISET

DET

GND

VIN

PPR

CHG

EN

EPAD

1

2

3

4

8

7

6

5

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