ISL9217 Intersil Corporation, ISL9217 Datasheet - Page 13

• Manufacturer Part Number: ISL9217
• Description: (ISL9216 / ISL9217) 8 to 12 Cell Li-Ion Battery Overcurrent Protection and Analog Front End Chip Set
• Manufacturer: Intersil Corporation

www.DataSheet4U.com
Charge Overcurrent Monitor (ISL9216 only)
Serial Interface Timing Diagrams
Bus Timing
Symbol Table
V
COC BIT
OUTPUT
OUTPUT
TEMP3V
CSENSE
This timing shows the communication with the ISL9216. Communication with the ISL9217 (through the ISL9216) adds some lag time, however,
overall the communication with the ISL9217 meets the same timing requirements as communication with the ISL9216.
CFET
V
SDA INPUT
WAVEFORM
OCC
12V
SDA OUTPUT
SCL
‘0’
t
SU:STA
INPUTS
Must be
steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes
Allowed
N/A
13
t
HD:STA
µC TURNS ON CFET
t
F
OUTPUTS
Will be
steady
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not
Known
Center Line
is High
Impedance
t
SU:DAT
t
OCC
3.3V
ISL9216, ISL9217
t
HIGH
REGISTER 1 READ
(Assumes DENOCC bit is ‘0’)
‘1’
t
LOW
t
HD:DAT
t
AA
t
R
t
DH
t
SU:STO
t
BUF
November 2, 2007
FN6488.1