BQ26501_16 Datasheet, PDF (4/33 Pages) Texas Instruments – HANDHELD APPLICATIONS

bq26501
Not Recommended For New Designs
ą
SLUS586B − OCTOBER 2003 − REVISED MARCH 2004
(a)
t(B)
t(BR)
(b)
(c)
t(HW1)
t(HW0)
t(CYCH)
Break
7−Bit Address
(d)
1−bit
R/W
t(DW1)
t(DW0)
t(CYCD)
8−Bit Data
t(RSPS)
Figure 1. HDQ Bit Timing Diagrams
PIN ASSIGNMENTS
TERMINAL
NAME
NO.
BAT
5
GPIO
8
HDQ
4
RBI
1
SRN
6
SRP
7
VCC
2
VSS
3
I/O
I Battery voltage sense input
I/O General-purpose input/output port
I/O Single-wire HDQ serial interface
I Register back-up input
I Current sense input (negative)
I Current sense input (positive)
I VCC supply input
I Ground input
DESCRIPTION
RBI
VCC
VSS
HDQ
PW PACKAGE
(TOP VIEW)
1
8
2
7
3
6
4
5
GPIO
SRP
SRN
BAT
AVAILABLE OPTIONS
TA
PACKAGED
DEVICES(1)
MARKINGS
−20°C to 70°C
bq26501PW
26501
(1) _{The PW package is available taped and reeled. Add R suffix to device type (e.g. bq26501PWR) to}
order quantities of 2,000 devices per reel.
UDG−03039
4
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