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BQ24750RHDR Datasheet(PDF) 7 Page - Texas Instruments

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Part # BQ24750RHDR
Description  Host-controlled Multi-chemistry Battery Charger with Integrated System Power Selector and AC Over-Power Protection
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24750RHDR Datasheet(HTML) 7 Page - Texas Instruments

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bq24750
SLUS735 – DECEMBER 2006
ELECTRICAL CHARACTERISTICS (continued)
7.0 V
≤ V
PVCC≤ 24 V, 0°C < TJ < +125°C, typical values are at TA = 25°C, with respect to AGND (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REGN REGULATOR
VREGN_REG
REGN regulator voltage
VACDET > 0.6 V, 0-75 mA, PVCC > 10 V
5.6
5.9
6.2
V
IREGN_LIM
REGN current limit
VREGN = 0 V, VACDET > 0.6 V
90
135
mA
ADAPTER CURRENT SENSE AMPLIFIER
VACP/N_OP
Input common mode range
Voltage on ACP/ACN
0
24
V
VIADAPT
IADAPT output voltage range
0
2
IIADAPT
IADAPT output current
0
1
mA
AIADAPT
Current sense amplifier voltage gain
AIADAPT = VIADAPT / VIREG_DPM
20
V/V
VIREG_DPM = 40–100 mV
–2
2
VIREG_DPM = 20 mV
–3
3
Adapter current sense accuracy
%
VIREG_DPM = 5 mV
–25
25
VIREG_DPM = 1.5 mV
–33
33
IIADAPT_LIM
Output current limit
VIADAPT = 0 V
1
mA
CIADAPT_MAX
Maximum output load capacitance
For stability with 0 mA to 1 mA load
100
pF
ACDET COMPARATOR
VACDET_CHG
ACDET adapter-detect rising
Min voltage to enable charging, VACDET
2.376
2.40
2.424
V
threshold
rising
VACDET_CHG_HYS
ACDET falling hysteresis
VACDET falling
40
mV
ACDET rising deglitch
VACDET rising
518
700
908
ms
ACDET falling deglitch
VACDET falling
10
µs
VACDET_BIAS
ACDET enable-bias rising threshold
Min voltage to enable all bias, VACDET
0.56
0.62
0.68
V
rising
VACDET_BIAS_HYS
Adapter present falling hysteresis
VACDET falling
20
mV
ACDET rising deglitch
VACDET rising
10
µs
ACDET falling deglitch
VACDET falling
10
µs
7
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