DS2746G+TR MAXIM [Maxim Integrated Products], DS2746G+TR Datasheet - Page 5

• Manufacturer Part Number: DS2746G+TR
• Description: Low-Cost 2-Wire Battery Monitor with Ratiometric A/D Inputs
• Manufacturer: MAXIM [Maxim Integrated Products]

PIN DESCRIPTION
PAD
PIN
10
1
2
3
4
5
6
7
8
9
NAME
AIN1
AIN0
SDA
SNS
CTG
V
PAD
SCL
V
V
V
OUT
DD
SS
IN
Aux Voltage Input Number 1.
Aux Voltage Input Number 0.
Serial Clock Input. Input only 2-wire clock line. Connect this pin to the CLOCK signal of
the 2-wire interface. This pin has a 0.2µA typical pulldown to sense disconnection.
Serial Data Input / Output. Open drain 2-wire data line. Connect this pin to the DATA
signal of the 2-wire interface. This pin has a 0.2µA typical pulldown to sense
disconnection.
Current-Sense Input. Connect to the handset side of the sense resistor.
Device Ground. Connect to the battery side of the sense resistor.
Connect to Ground. Connect to the battery side of the sense resistor.
Voltage Out. Supply for Aux input voltage Measurement dividers. Connect to high side of
resistor divider circuits.
Battery Voltage Input. The voltage of the cell pack is measured through this pin.
Power-Supply Input. 2.5V to 4.5V input range. Connect to system power through a
decoupling network.
Exposed Pad. Connect to V
SS.
5 of 17
FUNCTION