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BQ25015 Datasheet, PDF (4/28 Pages) Texas Instruments – SINGLE-CHIP CHARGER AND DC/DC CONVERTER IC FOR PORTABLE APPLICATIONS
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bq25015
bq25017
SLUS721A – DECEMBER 2006 – REVISED MARCH 2007
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over operating temperature range (TA = 0°C to 125°C) and recommended supply voltage range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
tTPRDET_DG
Deglitch time for taper
detection
tTERMDET_DG
Deglitch time for termination
detection
BATTERY RECHARGE THRESHOLD
VVCC(min)≥ 4.5 V, tFALL = 100 ns,
10 mV overdrive, ICHG increasing above or
decreasong below threshold
VVCC(min)≥ 4.5 V, tFALL = 100 ns,
10 mV overdrive,
ICHG decreasing below threshold
250
375
350
375
500
ms
500
VRCH
Recharge threshold voltage
VREG(BAT) VREG(BAT) VREG(BAT)
– 0.115 – 0.10 – 0.085
V
tRCHDET
Deglitch time for recharge
detect
VVCC(min)≥ 4.5 V, tFALL = 100 ns,
10 mV overdrive, ICHG decreasing below or
increasing above threshold
250
375
500 ms
STAT1, STAT2 and PG OUTPUTS
VOL
Low-level output voltage
ISET2 and CE INPUTS
IOL = 5 mA
0.25 V
VIL
Low-level input voltage
IIL= 10 µA
VIH
High-level input voltage
IIL= 20 µA
IIL
Low-level input current, CE
IIH
High-level input current, CE
IIL
Low-level input current, ISET2 VISET2 = 0 V
IIH
High-level input current,
ISET2
VISET2 = VCC
0
0.4
V
1.4
–1
1
–20
µA
40
IIHZ
High-Z input current, ISET2 VISET2 = High-Z
1
TIMERS
t(PRECHG)
Precharge time limit
t(TAPER)
Taper time limit
t(CHG)
Charge time limit
I(FAULT)
Timer fault recovery current
SLEEP COMPARATOR for CHARGER
1620
1620
16200
1800
1800
18000
200
1930
1930 s
19300
µA
V(SLP)
V(SLP_DG)
Sleep mode entry threshold 2.3 V ≤ VIN(BAT)≤ VREG(BAT)
Sleep mode exit threshold
2.3 V ≤ VIN(BAT)≤ VREG(BAT)
VVCC≥
VIN(BAT)
+190 mV
VVCC≤
VIN(BAT)
+80 mV
V
t(DEGL)
Deglitch time for sleep mode
THERMAL SHUTDOWN
VCC decreasing below threshold,
tFALL = 100 ns, 10 mV overdrive,
250
375
500 ms
T(SHTDWN)
Thermal trip threshold
temperature
Thermal hysteresis
165
°C
15
UNDERVOLTAGE LOCKOUT AND POR
V(UVLO_CHG)
Undervoltage lockout
threshold voltage
Decreasing VCC
2.4
2.5
2.6 V
Hysteresis
27
mV
VPOR
DC-DC INPUT
POR threshold voltage(1)
2.3
2.4
2.5 V
V(BAT)
V(UVLO)
Input voltage range
Undervoltage lockout
Input power absent
Input power present
V(LOWV)
V(UVLO)
4.2
4.2 V
2.0
(1) Ensured by design. Not production tested.
4
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