BQ24700 Datasheet, PDF (5/29 Pages) Texas Instruments – NOTEBOOK PC BATTERY CHARGE CONTROLLER AND SELECTOR WITH DPM

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bq24700, bq24701
NOTEBOOK PC BATTERY CHARGE CONTROLLER
AND SELECTOR WITH DPM
SLUS452B – APRIL 2001 – REVISED NOVEMBER 2002
electrical characteristics (T_A = T_OPR, 7.0 Vdc V_CC 20.0 Vdc, all voltages relative to V_ss) (unless
otherwise specified)
quiescent current
PARAMETER
IDDOP
Total chip operating current, switching and no
load on PWMB
ISLEEP Total battery sleep current, ac not present
logic interface dc characteristics
PARAMETER
VOL
VIL
VIH
ISINK1
ISINK2
Low-level output voltage (ACPRES, ALARM)
Low–level input voltage (ACSEL, ENABLE)
High-level input voltage (ACSEL, ENABLE)
Sink current (ACPRES)
Sink current (ALARM)
pwm oscillator
PARAMETER
fOSC(PWM) Oscillator frequency
Maximum duty cycle
Input voltage for maximum dc (COMP)
Minimum duty cycle
Input voltage for minimum dc (COMP)
VRAMP Oscillator ramp voltage (peak-to-peak)
VIK(COMP)
Internal input clamp voltage
(tracks COMP voltage for maximum dc)
IS(COMP) Internal source current (COMP)
leakage current
PARAMETER
IL_ACDET
IL_SRSET
IL_ACSET
IL_BATDEP
IL_VS
Leakage current, ACDET
Leakage current, SRSET
Leakage current, ACSET
Leakage current, BATDEP
Leakage current, VS
TEST CONDITIONS
ACPRES = High, PWM ON, VCC = 30 V
ACPRES = Low, VCC = SRN = 18 V
TEST CONDITIONS
IOL = 1 mA
VOL = 0.4
VOL = 0.4
TEST CONDITIONS
0°C ≤ TA ≤ 85°C
–40°C ≤ TA ≤ 0°C
0°C ≤ TA ≤ 85°C
–40°C ≤ TA ≤ 0°C
Error amplifier = OFF, VCOMP = 1 V
TEST CONDITIONS
MIN TYP MAX UNIT
1
3
6 mA
15
22 µA
MIN
1.8
2
0.75
TYP
5
1.5
MAX
0.4
0.8
8
3.5
UNIT
V
V
V
mA
mA
MIN
260
240
100%
3.8
1.85
1.60
70
TYP MAX UNIT
300 340
kHz
300 340
V
0%
0.8
2.15 2.30
2.15 2.30 ^V
3.8 4.5
110 140 µA
MIN TYP MAX UNIT
1 µA
1 µA
1 µA
1 µA
1 µA
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