DS2784 Maxim Integrated Products, DS2784 Datasheet - Page 5

• Manufacturer Part Number: DS2784
• Description: 1-Cell Stand-Alone Fuel Gauge IC
• Manufacturer: Maxim Integrated Products

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TYPICAL OPERATING CIRCUIT
PIN DESCRIPTION
5, 9, 10
PAD
PIN
11
12
13
14
6
1
2
3
4
7
8
NAME
CTG
SNS
N.C.
PAD
PLS
PIO
V
V
DQ
CC
DC
CP
V
DD
SS
IN
Power-Supply Input. Chip supply input. Bypass with 0.1µF to V
Connect to Ground
Device Ground. Chip ground and battery-side sense resistor input.
Battery Voltage-Sense Input. Connect to positive cell terminal through decoupling
network.
No Connection
Pack Plus Terminal-Sense Input. Used to detect the removal of short-circuit, discharge
overcurrent, and charge overcurrent conditions.
Charge Control. Charge FET control output.
Discharge Control. Discharge FET control output.
Data Input/Output. Serial data I/O, includes weak pulldown to detect battery disconnect
and can be configured as wake input.
Sense Resistor Connection. Pack minus terminal and pack-side sense resistor sense
input.
Charge Pump Output. Bypass with 0.1µF to V
Programmable I/O Pin. Can be configured as wake input.
Exposed Pad. Connect to V
DS2784: 1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication
SS
5 of 37
or float.
FUNCTION
SS
.
SS
.