isl88731a Intersil Corporation, isl88731a Datasheet - Page 5

• Manufacturer Part Number: isl88731a
• Description: Smbus Level 2 Battery Charger
• Manufacturer: Intersil Corporation

Electrical Specifications
SMBus Timing Specification
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 3)
SCL Low Period
SCL High Period
Maximum Charging Period Without a SMBus Write to
ChargeVoltage or ChargeCurrent Register
3. If SCL is low for longer than the specified time, the charger is disabled.
4. Limits established by characterization and are not production tested.
PARAMETER
PARAMETERS
5
DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V,
CVDDP = 1µF, IVDDP = 0mA, T
at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production
tested. (Continued)
VDDSMB = 2.7V TO 5.5V
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
= 0.4V
= +10mA (Note 4)
= -100mA (Note 4)
= 28V, V
= -100mA (Note 4)
= 10mA (Note 4)
ICOMP, VCOMP
TTIMEOUT
SYMBOL
TSU:STO
THD:STA
TSU:STA
THD:DAT
TSU:DAT
THIGH
TLOW
FSMB
TBUF
CSON
ISL88731A
CONDITIONS
A
= V
= -10°C to +100°C. Parameters with MIN and/or MAX limits are 100% tested
< 3.5V
PHASE
= 20V
CONDITIONS
MIN
330
170
200
200
35
40
40
15
10
-1
2
7
MIN
300
250
140
4.7
4.7
4.7
10
22
4
4
4
TYP
290
400
250
300
0.9
1.4
1.4
0.9
50
50
50
21
17
15
TYP
0
180
25
MAX
440
400
300
400
MAX
1.6
2.5
2.5
1.6
0.8
80
60
60
25
30
100
220
2
1
30
January 7, 2009
UNITS
UNITS
µA/V
µA/V
µA/V
FN6738.1
kHz
kHz
mV
mA
ms
µA
µA
µA
µA
µA
ns
µs
µs
µs
µs
ns
ns
µs
µs
Ω
Ω
Ω
Ω
V
V
s