bq24707
bq24707A
SLUSA78B –JULY 2010–REVISED MARCH 2011
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ELECTRICAL CHARACTERISTICS
4.5 V ≤ V(VCC) ≤ 24 V, 0°C ≤ TJ ≤ 125°C, typical values are at TA = 25°C, with respect to GND (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OPERATING CONDITIONS
VVCC_OP VCC Input voltage operating range
CHARGE VOLTAGE REGULATION
VBAT_REG_RNG BAT voltage regulation range
4.5
24
V
1.024
16.716
–0.5%
12.529
–0.5%
8.350
19.2
16.884
0.5%
V
V
16.8
12.592
8.4
ChargeVoltage() = 0x41A0H
12.655
0.5%
V
V
V
ChargeVoltage() = 0x3130H
ChargeVoltage() = 0x20D0H
ChargeVoltage() = 0x1060H
VBAT_REG_ACC
Charge voltage regulation accuracy
8.450
0.6%
–0.6%
4.163
4.192
4.221
0.7%
–0.7%
CHARGE CURRENT REGULATION
VIREG_CHG_RNG Charge current regulation differential voltage range
VIREG_CHG = VSRP - VSRN
0
3973
–3%
1946
–5%
410
81.28
4219
3%
mV
mA
4096
2048
512
ChargeCurrent() = 0x1000H
2150
5%
mA
mA
mA
mA
ChargeCurrent() = 0x0800H
ChargeCurrent() = 0x0200H
ChargeCurrent() = 0x0100H
ChargeCurrent() = 0x0080H
614
Charge current regulation accuracy 10mΩ current
ICHRG_REG_ACC
sensing resistor
–20%
172
20%
340
256
–33%
64
33%
192
128
–50%
50%
INPUT CURRENT REGULATION
VIREG_DPM_RNG Input current regulation differential voltage range
VIREG_DPM = VACP – VACN
0
3973
–3%
1946
–5%
870
80.64
4219
3%
mV
mA
4096
2048
1024
512
InputCurrent() = 0x1000H
2150
5%
mA
mA
mA
InputCurrent() = 0x0800H
InputCurrent() = 0x0400H
InputCurrent() = 0x0200H
Input current regulation accuracy 10mΩ current
IDPM_REG_ACC
sensing resistor
1178
15%
640
–15%
384
–25%
25%
INPUT CURRENT OR CHARGE CURRENT SENSE AMPLIFIER
VACP/N_OP
VSRP/N_OP
VIOUT
Input common mode range
Output common mode range
IOUT output voltage range
IOUT output current
Voltage on ACP/ACN
Voltage on SRP/SRN
4.5
0
24
19.2
1.6
1
V
V
0
V
IIOUT
0
mA
V/V
AIOUT
Current sense amplifier gain
V(ICOUT)/V(SRP-SRN) or V(ACP-ACN)
V(SRP-SRN) or V(ACP-ACN) = 40.96mV
V(SRP-SRN) or V(ACP-ACN) = 20.48mV
V(SRP-SRN) or V(ACP-ACN) = 10.24mV
V(SRP-SRN) or V(ACP-ACN) = 5.12mV
V(SRP-SRN) or V(ACP-ACN) = 2.56mV
V(SRP-SRN) or V(ACP-ACN) = 1.28mV
For stability with 0 to 1mA load
20
–2%
–4%
2%
4%
–15%
–20%
–33%
–50%
15%
20%
33%
50%
100
VIOUT_ACC
Current sense output accuracy
CIOUT_MAX
Maximum output load capacitance
pF
REGN REGULATOR
VREGN_REG
REGN regulator voltage
V
VCC > 6.5V, VACDET > 0.6V (0-55mA load)
5.5
65
7
6
80
16
1
6.5
V
IREGN_LIM
VREGN = 0V, VVCC > UVLO charge enabled and not in TSHUT
VREGN = 0V, VVCC > UVLO charge disabled or in TSHUT
ILOAD = 100µA to 65mA
REGN current limit
mA
µF
IREGN_LIM_TSHUT
CREGN
REGN output capacitor required for stability
4
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