Datasheet

bq24610
bq24617
SLUS892B –DECEMBER 2009–REVISED SEPTEMBER 2013 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
5 V ≤ V
VCC
≤ 28 V, 0°C < T
J
< 125°C, typical values are at T
A
= 25°C, with respect to GND (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
PWM DRIVERS TIMING
Dead time when switching between LSD and HSD, no
Driver dead time 30 ns
load at LSD and HSD
PWM OSCILLATOR
V
RAMP_HEIGHT
PWM ramp height As percentage of VCC 7 %
PWM switching frequency
(2)
510 600 690 kHz
INTERNAL SOFT START (8 steps to regulation current ICHG)
Soft-start steps 8 step
Soft-start step time 1.6 ms
CHARGER SECTION POWER-UP SEQUENCING
Charge-enable delay after power-up Delay from CE = 1 to charger is allowed to turn on 1.5 s
LOGIC IO PIN CHARACTERISTICS (CE, STAT1, STAT2, PG)
V
IN_LO
CE input low threshold voltage 0.8 V
V
IN_HI
CE input high threshold voltage 2.1
V
BIAS_CE
CE input bias current V = 3.3 V (CE has internal 1 MΩ pulldown resistor) 6 μA
STAT1, STAT2, PG output-low
V
OUT_LO
Sink Current = 5 mA 0.5 V
saturation voltage
I
OUT_HI
Leakage current V = 32 V 1.2 µA
(2) Verified by design
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