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BQ2019 Datasheet(PDF) 2 Page - Texas Instruments

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Part No. BQ2019
Description  ADVANCED BATTERY MONITORIC
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ2019 Datasheet(HTML) 2 Page - Texas Instruments

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bq2019
ADVANCED BATTERY MONITOR IC
SLUS465E – DECEMBER 1999 – REVISED FEBRUARY 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
_
+
Bandgap
Voltage
Reference
VCC
REG
Controller
Temperature
Sensor
VFC
SR
OSC
OSC
OSC
Serial
Interface
ID ROM
3
× 8 RAM Scratch
RAM
32
× 8 Shadow
Flash
32
× 8 RAM
2 - 32
× 8 Pages of
Flash
Charge/Discharge,
Counters-Timers,
and Temperature
Registers
HDQ
STAT
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
HDQ
4
I/O
Single-wire HDQ interface
DC
6
I
Internal connection only. Do not connect.
OSC
5
O
Time-base adjust for the oscillator
REG
1
O
Regulator output
SR
7
I
Current-sense input
STAT
8
O
Open-drain status output
VCC
2
I
Supply voltage
VSS
3
Ground


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