isl88731c Intersil Corporation, isl88731c Datasheet - Page 8

• Manufacturer Part Number: isl88731c
• Description: Smbus Level 2 Battery Charger
• Manufacturer: Intersil Corporation

Electrical Specifications
SMBus Timing Specifications
NOTES:
SWITCHING REGULATOR
Frequency
BOOT Supply Current
PHASE Input Bias Current
UGATE On-Resistance Low
UGATE On-Resistance High
LGATE On-Resistance High
LGATE On-Resistance Low
Dead Time
ERROR AMPLIFIERS
GMV Amplifier Transconductance
GMI Amplifier Transconductance
GMS Amplifier Transconductance
GMI/GMS Saturation Current
GMV Saturation Current
ICOMP, VCOMP Clamp Voltage
LOGIC LEVELS
SDA/SCL Input Low Voltage
SDA/SCL Input High Voltage
SDA/SCL Input Bias Current
SDA, Output Sink Current
SMBus Frequency
Bus Free Time
Start Condition Hold Time from SCL
Start Condition Setup Time from SCL
Stop Condition Setup Time from SCL
SDA Hold Time from SCL
SDA Setup Time from SCL
SCL Low Timeout (Note 6)
SCL Low Period
SCL High Period
Maximum Charging Period without an SMBus Write to
ChargeVoltage or ChargeCurrent Register
6. If SCL is low for longer than the specified time, the charger is disabled.
7. Limits established by characterization and are not production tested.
8. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established
by characterization and are not production tested.
PARAMETER
PARAMETER
8
DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V,
GND = PGND = 0V, CVDDP = 1µF, IVDDP = 0mA, T
apply over the operating temperature range, -10°C to +100°C. (Continued)
UGATE High
V
I
I
I
I
Falling UGATE to rising LGATE or
falling LGATE to rising UGATE
0.25V < V
VDDSMB = 2.7V to 5.5V
VDDSMB = 2.7V to 5.5V
VDDSMB = 2.7V to 5.5V
V
UGATE
UGATE
LGATE
LGATE
DCON
SDA
VDDSMB = 2.7V to 5.5V.
= 0.4V
= +10mA (Note 7)
= -100mA (Note 7)
= 28V, V
= -100mA (Note 7)
= 10mA (Note 7)
ICOMP, VCOMP
CSON
ISL88731C
CONDITIONS
SYMBOL
t
t
t
t
t
t
TIMEOUT
HD:STA
SU:STO
HD:DAT
SU:DAT
SU:STA
FSMB
t
t
= V
t
HIGH
LOW
BUF
< 3.5V
PHASE
= 20V
CONDITIONS
A
= -10°C to +100°C. Boldface limits
(Note 8)
MIN
330
170
200
200
35
40
40
15
10
-1
2
7
MIN TYP MAX UNITS
TYP
300
250
140
400
290
250
300
4.7
4.7
4.7
0.9
1.4
1.4
0.9
10
22
50
50
50
21
17
15
4
4
4
0
180
25
(Note 8) UNITS
MAX
440
400
300
400
1.6
2.5
2.5
1.6
0.8
September 9, 2010
80
60
60
25
30
2
1
220
100
30
FN6978.1
µA/V
µA/V
µA/V
kHz
kHz
mV
mA
ms
µA
µA
µA
µA
µA
µs
µs
µs
µs
ns
ns
µs
µs
ns
Ω
Ω
Ω
Ω
V
V
s