DS2790G+T&R Maxim Integrated Products, DS2790G+T&R Datasheet - Page 7

• Manufacturer Part Number: DS2790G+T&R
• Description: IC FUEL GAUGE BATT 28-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of DS2790G+T&R

• Function: Fuel, Gas Gauge/Monitor
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIN DESCRIPTION
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
—
1
2
3
4
5
6
7
8
9
NAME
AVSS
SNS2
SNS1
N.C.
N.C.
SDA
P0.0
P0.1
N.C.
N.C.
N.C.
N.C.
P0.2
P0.3
P0.4
P0.5
N.C.
N.C.
PAD
PLS
SCL
V
V
DC
CC
IS2
IS1
CP
V
SS
DD
IN
No Connection
No Connection
Charge Pump Output. Bypass CP to V
Pack Plus. Positive pack terminal connection.
Discharge Control. Discharge FET gate drive output.
Charge Control. Charge FET gate drive output.
2-wire Serial Interface Clock Input and Output
2-wire Serial Interface Data Input and Output
Programmable I/O Pin. Alternate functions: external interrupt input
INT0, [JTAG TDI].
Programmable I/O Pin. Alternate functions: External interrupt input
INT1, [JTAG TMS].
Current Sense Input. SNS2 attaches to pack end of current sense
resistor.
Current Filter Input 2
No Connection
No Connection
No Connection
No Connection
Current Filter Input 1
Current Sense Input. SNS1 attaches to battery end of current sense
resistor and V
Analog Supply Return Node. AVSS attaches to negative battery
terminal.
Digital Supply Return Node. V
Programmable I/O Pin. Alternate functions: Reset input pin RST.
Programmable I/O Pin. Alternate functions: Timer/Counter input pin
TCK, [JTAG TCK].
Programmable I/O Pin. Alternate function: [JTAG TDO]
Programmable I/O Pin
Input Supply: +2.5V to +5.5V input range. Bypass V
0.1μF.
Battery voltage sense input, measurement relative to AVSS.
No Connection
No Connection
Exposed PAD (TDFN only). Not electrically connected to IC. Connect
to V
SS
or leave floating.
SS
.
7 of 41
DESCRIPTION
SS
attaches to negative battery terminal.
SS
with 0.1μF.
DD
to V
SS
with