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| BQ24080-Q1 Datasheet, PDF (5/28 Pages) Texas Instruments – Li-Ion and Li-Pol Automotive Charger | |||
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7.5 Electrical Characteristics
over 0°C ⤠TJ ⤠125°C and recommended supply voltage (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
INPUT CURRENT
ICC(VCC)
VCC current
VCC > VCC(min)
ICC(SLP)
Sleep current
Sum of currents into OUT pin,
VCC < V(SLP)
ICC(STBY) Standby current
CE = High, 0°C ⤠TJ ⤠85°C
IIB(OUT)
Input current on OUT pin
Charge DONE, VCC > VCC(MIN)
VOLTAGE REGULATION VO(REG) + V(DOâMAX) ⤠VCC, I(TERM) < IO(OUT) ⤠1 A
VO(REG)
Output voltage
Voltage regulation accuracy
TA = 25°C
â0.35%
â1%
V(DO)
Dropout voltage (V(IN) â V(OUT))
CURRENT REGULATION
VO(OUT) = VO(REG), IO(OUT) = 1 A
VO(REG) + V(DO)) ⤠VCC
IO(OUT)
Output current range(1)
VI(OUT) > V(LOWV),
VI(IN) â VI(OUT) > V(DO),
VCC ⥠4.5 V
V(SET)
Output current set voltage
Voltage on ISET pin, VCC ⥠4.5 V,
VI ⥠4.5 V, VI(OUT) > V(LOWV),
VI â VI(OUT) > V(DO)
50 mA ⤠IO(OUT) ⤠1 A
K(SET)
Output current set factor
10 mA ⤠IO(OUT) < 50 mA
1 mA ⤠IO(OUT) < 10 mA
PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION
20
2.463
307
296
246
V(LOWV)
Precharge to fast-charge transition
threshold
Voltage on OUT pin
2.8
IO(PRECHG) Precharge range(2)
0 V < VI(OUT) < V(LOWV), t < t(PRECHG)
2
V(PRECHG) Precharge set voltage
Voltage on ISET pin,
VO(REG) = 4.2 V,
240
0 V < VI(OUT) > V(LOWV), t < t(PRECHG)
TERMINATION DETECTION
I(TERM)
Charge termination detection
range (3)
VI(OUT) > V(RCH), t < t(TRMDET)
2
V(TERM)
Charge termination detection set
voltage
Voltage on ISET pin,
VO(REG) = 4.2 V,
VI(OUT) > V(RCH), t < t(TRMDET)
235
BATTERY RECHARGE THRESHOLD
V(RCH)
Recharge threshold
VO(REG)
â 0.115
STAT1, STAT2, and PG OUTPUTS
VOL
Low-level output saturation voltage IO = 5 mA
CE and TE INPUTS
VIL
Low-level input voltage
0
VIH
High-level input voltage
1.4
IIL
Low-level input current
â1
IIH
High-level input current
TIMERS
I(FAULT)
Timer fault recovery current
(1) See Equation 2.
(2) See Equation 1.
(3) See Equation 4.
bq24080-Q1, bq24081-Q1
SLUSCB6 â MAY 2015
TYP
MAX UNIT
1.2
2 mA
2
5
150
μA
1
5
4.2
V
0.35%
1%
350
500 mV
1000 mA
2.5
2.538
V
322
337
320
346
320
416
3
3.2
V
100 mA
255
270 mV
100 mA
250
265 mV
VO(REG)
â 0.10
VO(REG)
â 0.085
V
0.25
V
0.4
V
μA
1
200
μA
Copyright © 2015, Texas Instruments Incorporated
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