BQ25101H_15 Datasheet, PDF (6/32 Pages) Texas Instruments – bq2510x 250-mA Single Cell Li-Ion Battery Chargers, 1-mA Termination, 75-nA Battery Leakage

bq25100, bq25101, bq25100A, bq25100H, bq25101H, bq25100L
SLUSBV8C – AUGUST 2014 – REVISED NOVEMBER 2014
www.ti.com
Electrical Characteristics (continued)
Over junction temperature range 0°C ≤ T_J ≤ 125°C and recommended supply voltage (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
V_DO(IN-OUT)
I_OUT
Drop-Out, VIN – VOUT
Output “fast charge” formula
K_ISET
Fast charge current factor
PRECHARGE – SET BY PRETERM PIN
Adjust V_IN down until I_OUT = 0.2 A; V_OUT = 4.15 V;
R_ISET = 680 Ω; T_J ≤ 100°C
V_OUT(REG) > V_OUT > V_LOWV; V_IN = 5 V
R_ISET = K_ISET /I_OUT; 20 < I_OUT < 250 mA
R_ISET = K_ISET /I_OUT; 5 < I_OUT < 20 mA
220
K_ISET/R_ISET
129
135
125
135
400 mV
A
145
AΩ
145
V_LOWV
Pre-charge to fast-charge
transition threshold
2.4
2.5
2.6 V
t_DGL1(LOWV)
Deglitch time on pre-charge to
fast-charge transition
57
μs
t_DGL2(LOWV)
Deglitch time on fast-charge to
pre-charge transition
32
ms
I_PRE-TERM
%_PRECHG
Refer to the Termination Section
Pre-charge current, default
setting
Pre-charge current formula
K_PRE-CHG
% Pre-charge Factor
TERMINATION – SET BY PRE-TERM PIN
V_OUT < V_LOWV; R_ISET = 2.7 kΩ; R_PRE-TERM= High Z
or for BQ25101/101H
R_PRE-TERM = K_PRE-CHG (Ω/%) × %_PRE-CHG (%)
V_OUT < V_LOWV; V_IN = 5 V;
R_PRE-TERM = 6 kΩ to 30 kΩ;
R_ISET = 1.8 kΩ;
R_PRE-TERM = K_PRE-CHG × %I_PRE-CHG,
where %I_PRE-CHG is 20 to 100%
V_OUT < V_LOWV; V_IN = 5 V;
R_PRE-TERM = 3 kΩ to 6 kΩ;
R_ISET = 1.8 kΩ;
R_PRE-TERM = K_PRE-CHG × %I_PRE-CHG,
where %I_PRE-CHG is 10% to 20%
18
20
R_PRE-TERM/K_PRE-CHG%
22 ^%IOUT-
CC
280
300
320 Ω/%
265
300
340 Ω/%
%_TERM
Termination threshold current,
default setting
Termination current threshold
formula
V_OUT > V_RCH; R_ISET = 2.7 kΩ; R_PRE-TERM = High Z
or for BQ25101/101H
R_PRE-TERM = K_TERM (Ω/%) × %TERM (%)
9
10
R_PRE-TERM/ K_TERM
11 ^%IOUT-
CC
K_TERM
I_PRE-TERM
% Term factor
Current for programming the
term. and pre-chg with resistor,
I_Term-Start is the initial PRE-TERM
current
V_OUT > V_RCH; V_IN = 5 V;
R_PRE-TERM = 6 kΩ to 30 kΩ;
R_ISET = 1.8 kΩ, R_PRE-TERM=K_TERM × %I_TERM,
where %I_TERM is 10 to 50%
V_OUT > V_RCH; V_IN = 5 V;
R_PRE-TERM = 3 kΩ to 6 kΩ ;
R_ISET = 1.8 kΩ, R_PRE-TERM= K_TERM × %I_TERM,
where %I_TERM is 5 to 10%
V_OUT > V_RCH; V_IN = 5 V;
R_PRE-TERM = 750 Ω to 3 kΩ;
R_ISET = 1.8 kΩ, R_PRE-TERM= K_TERM × %I_TERM,
where %I_TERM is 1.25% to 5%
R_PRE-TERM = 6 kΩ; V_OUT = 4.15 V
575
600
640
555
620
685 Ω/%
352
680
1001
23
25
27 μA
ITERM
Termination current range
Minimum absolute termination current
1
mA
%TERM
t_DGL(TERM)
Termination current formula
Deglitch time, termination
detected
R_TERM/ K_TERM
%
29
ms
RECHARGE OR REFRESH
V_RCH
t_DGL1(RCH)
Recharge detection threshold –
normal temp
Recharge detection threshold –
hot temp
Deglitch time, recharge threshold
detected
V_IN = 5 V; V_TS = 0.5 V;
V_OUT: 4.25 V → V_{RCH (bq25100)};
V_OUT: 4.35 V → V_{RCH (bq25100A)};
V_OUT: 4.40 V → V_{RCH (bq25100H)}
V_IN = 5 V; V_TS = 0.2 V;
V_OUT: 4.15 V → V_{RCH (bq25100)};
V_OUT: 4.25 V → V_{RCH (bq25100H)}
V_IN = 5 V; V_TS = 0.5 V;
V_OUT: 4.25 V → 3.5V in 1 μs;
t_DGL(RCH) is time to ISET ramp
V_O(REG) V_O(REG)–0.0 V_O(REG)–0.0
–0.125
95
75
V
V_{O_HT(REG)}
–0.130
V_{O_HT(REG)}
–0.105
V_{O_HT(REG)}
–0.080
V
29
ms
6
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