PIN CONNECTIONS
PIN CONNECTIONS
VIN
GRN
1
2
8
7
BAT
VREF
EPAD
RED
EN
3
4
6
5
TEMP
GND
Figure 3. 34674 Pin Connections
Table 2. 34674 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 12 .
Pin Number
1
2
3
4
5
6
7
Pin Name
VIN
GRN
RED
EN
GND
TEMP
VREF
Pin Function
Input
Output
Output
Input
Ground
Input
Output
Formal Name
Input supply
Green indicator
Red indicator
Enable
Ground
NTC interface input
NTC interface bias
Definition
The supply input.
Indication of the charge status. Open drain output with 6 mA current limit.
Indication of the charge status. Open drain output with 6 mA current limit.
Active-low enable logic input.
Ground.
The NTC thermistor interface pin.
The bias voltage for the NTC interface circuit.
voltage
8
EPAD
BAT
EPAD
Output
N/A
Charger output
Exposed pad
The charger output pin to the battery.
Exposed pad for thermal dissipation enhancement. Must be soldered on
the large ground plane on the PCB to increase the thermal dissipation.
The pad must be connected to GND electrically.
34674
Analog Integrated Circuit Device Data
4
Freescale Semiconductor
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