STC3115 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
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STC3115 Datasheet PDF : 31 Pages
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STC3115
2
Pin assignment
Pin assignment
Table 1. STC3115 pin description
Pin CSP
no. bump
Pin
name
Type(1)
Function
1
A1
2
B1
3
C1
ALM
SDA
SCL
I/OD
I/OD
I_D
Alarm signal output, open drain,
external pull-up with resistor
I2C serial data
I2C serial clock
4
D1
GND
Ground Analog and digital ground
5
D2
NC
-
NC
6
D3
CG
I_A Current sensing input
Reset sense input & reset control output (open drain)
7
C3 RSTIO/BATD I/OD or
Battery detection input
8
B2
BATD/CD
I/OA
Battery charge inhibit (active high output)
Battery detection (input)
9
B3
VCC
Supply Power supply
10
A3
VIN
I_A Battery voltage sensing input
1. I = input, 0 = output, OD = open drain, A = analog, D = digital, NC = not connected
3
Absolute maximum ratings and operating conditions
Symbol
VCCMAX
VIO
TSTG
TJ
ESD
Table 2. Absolute maximum ratings
Parameter
Value
Maximum voltage on VCC pin
Voltage on I/O pins
Storage temperature
Maximum junction temperature
6
-0.3 to 6
-55 to 150
150
Electrostatic discharge (HBM: human body model)
2
Symbol
VCC
VMIN
TOPER
TPERF
Table 3. Operating conditions
Parameter
Operating supply voltage on VCC
Minimum voltage on VCC for RAM content retention
Operating free air temperature range
Value
2.7 to 4.5
2.0
-40 to 85
-20 to 70
DocID023755 Rev 4
Unit
V
°C
kV
Unit
V
°C
5/31
31
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