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BQ25100_15 Datasheet, PDF (6/32 Pages) Texas Instruments – bq2510x 250-mA Single Cell Li-Ion Battery Chargers, 1-mA Termination, 75-nA Battery Leakage | |||
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bq25100, bq25101, bq25100A, bq25100H, bq25101H, bq25100L
SLUSBV8C â AUGUST 2014 â REVISED NOVEMBER 2014
www.ti.com
Electrical Characteristics (continued)
Over junction temperature range 0°C ⤠TJ ⤠125°C and recommended supply voltage (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VDO(IN-OUT)
IOUT
Drop-Out, VIN â VOUT
Output âfast chargeâ formula
KISET
Fast charge current factor
PRECHARGE â SET BY PRETERM PIN
Adjust VIN down until IOUT = 0.2 A; VOUT = 4.15 V;
RISET = 680 â¦; TJ ⤠100°C
VOUT(REG) > VOUT > VLOWV; VIN = 5 V
RISET = KISET /IOUT; 20 < IOUT < 250 mA
RISET = KISET /IOUT; 5 < IOUT < 20 mA
220
KISET/RISET
129
135
125
135
400 mV
A
145
Aâ¦
145
VLOWV
Pre-charge to fast-charge
transition threshold
2.4
2.5
2.6 V
tDGL1(LOWV)
Deglitch time on pre-charge to
fast-charge transition
57
μs
tDGL2(LOWV)
Deglitch time on fast-charge to
pre-charge transition
32
ms
IPRE-TERM
%PRECHG
Refer to the Termination Section
Pre-charge current, default
setting
Pre-charge current formula
KPRE-CHG
% Pre-charge Factor
TERMINATION â SET BY PRE-TERM PIN
VOUT < VLOWV; RISET = 2.7 kâ¦; RPRE-TERM= High Z
or for BQ25101/101H
RPRE-TERM = KPRE-CHG (â¦/%) à %PRE-CHG (%)
VOUT < VLOWV; VIN = 5 V;
RPRE-TERM = 6 kΩ to 30 kâ¦;
RISET = 1.8 kâ¦;
RPRE-TERM = KPRE-CHG Ã %IPRE-CHG,
where %IPRE-CHG is 20 to 100%
VOUT < VLOWV; VIN = 5 V;
RPRE-TERM = 3 kΩ to 6 kâ¦;
RISET = 1.8 kâ¦;
RPRE-TERM = KPRE-CHG Ã %IPRE-CHG,
where %IPRE-CHG is 10% to 20%
18
20
RPRE-TERM/KPRE-CHG%
22 %IOUT-
CC
280
300
320 â¦/%
265
300
340 â¦/%
%TERM
Termination threshold current,
default setting
Termination current threshold
formula
VOUT > VRCH; RISET = 2.7 kΩ; RPRE-TERM = High Z
or for BQ25101/101H
RPRE-TERM = KTERM (â¦/%) à %TERM (%)
9
10
RPRE-TERM/ KTERM
11 %IOUT-
CC
KTERM
IPRE-TERM
% Term factor
Current for programming the
term. and pre-chg with resistor,
ITerm-Start is the initial PRE-TERM
current
VOUT > VRCH; VIN = 5 V;
RPRE-TERM = 6 kΩ to 30 kâ¦;
RISET = 1.8 kâ¦, RPRE-TERM=KTERM à %ITERM,
where %ITERM is 10 to 50%
VOUT > VRCH; VIN = 5 V;
RPRE-TERM = 3 kΩ to 6 k⦠;
RISET = 1.8 kâ¦, RPRE-TERM= KTERM à %ITERM,
where %ITERM is 5 to 10%
VOUT > VRCH; VIN = 5 V;
RPRE-TERM = 750 ⦠to 3 kâ¦;
RISET = 1.8 kâ¦, RPRE-TERM= KTERM à %ITERM,
where %ITERM is 1.25% to 5%
RPRE-TERM = 6 kΩ; VOUT = 4.15 V
575
600
640
555
620
685 â¦/%
352
680
1001
23
25
27 μA
ITERM
Termination current range
Minimum absolute termination current
1
mA
%TERM
tDGL(TERM)
Termination current formula
Deglitch time, termination
detected
RTERM/ KTERM
%
29
ms
RECHARGE OR REFRESH
VRCH
tDGL1(RCH)
Recharge detection threshold â
normal temp
Recharge detection threshold â
hot temp
Deglitch time, recharge threshold
detected
VIN = 5 V; VTS = 0.5 V;
VOUT: 4.25 V â VRCH (bq25100);
VOUT: 4.35 V â VRCH (bq25100A);
VOUT: 4.40 V â VRCH (bq25100H)
VIN = 5 V; VTS = 0.2 V;
VOUT: 4.15 V â VRCH (bq25100);
VOUT: 4.25 V â VRCH (bq25100H)
VIN = 5 V; VTS = 0.5 V;
VOUT: 4.25 V â 3.5V in 1 μs;
tDGL(RCH) is time to ISET ramp
VO(REG) VO(REG)â0.0 VO(REG)â0.0
â0.125
95
75
V
VO_HT(REG)
â0.130
VO_HT(REG)
â0.105
VO_HT(REG)
â0.080
V
29
ms
6
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Product Folder Links: bq25100 bq25101 bq25100A bq25100H bq25101H bq25100L
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