Datasheet

bq51011
bq51013
SLVSAT9D –APRIL 2011–REVISED AUGUST 2012 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, 0°C to 125°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OUTPUT LOGIC LEVELS ON CH
V
OL
Open drain CHG pin I
SINK
= 5mA 500 mV
I
OFF
CHG leakage current when disabled V
CHG
= 20 V, 0°C ≤ T
J
≤ 85°C 1 µA
COMM PIN
R
DS(ON)
Comm1 and Comm2 V
RECT
= 4V 1.5 Ω
f
COMM
Signaling frequency on COMM pin 2.00 Kb/s
I
OFF
Comm pin leakage current V
COMM1
= 20V, V
COMM2
= 20V 1 µA
CLAMP PIN
R
DS(ON)
Clamp1 and Clamp2 0.5 Ω
Adapter Enable
V
AD
Rising threshold voltage. EN-UVLO V
AD
0 → 5 V 3.5 3.6 3.8 V
V
AD-EN
V
AD-EN
hysteresis, EN-HYS V
AD
5 → 0 V 400 mV
V
RECT
= 0V, V
AD
= 5V, 0°C ≤ T
J
I
AD
Input leakage current 55 μA
≤ 85°C
Pull-up resistance from AD-EN to OUT
R
AD
when adapter mode is disabled and V
OUT
> V
AD
= 0, V
OUT
= 5 200 350 Ω
V
AD
, EN-OUT
V
AD
= 5V, 0°C ≤ T
J
≤ 85°C 3 4.5 5
Voltage difference between V
AD
and V
AD-EN
V
AD
V
when adapter mode is enabled, EN-ON
V
AD
= 9V, 0°C ≤ T
J
≤ 85°C 3 6 7
Synchronous Rectifier
I
OUT
at which the synchronous rectifier
I
LOAD
300 → 200mA 200 225 250 mA
enters half synchronous mode, SYNC_EN
I
OUT
Hysteresis for I
OUT,RECT-EN
(full-
I
LOAD
200 → 300mA 40 mA
synchronous mode enabled)
High-side diode drop when the rectifier is in
V
HS-DIODE
I
AC-VRECT
= 250mA 0.7 V
half synchronous mode
EN1 and EN2
V
IL
Input low threshold for EN1 and EN2 0.4 V
V
IH
Input high threshold for EN1 and EN2 1.3 V
R
PD
EN1 and EN2 pull down resistance 200 kΩ
ADC
V
RECT
Rectified power measurement 0W – 5W of rectified power ±6%
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