Datasheet

1.2 V
CellVoltage
(VCn - VC(n-1),
(VC6 - GND)
V
PROTECT
CD
V
PROTECT
- V
TH
2.4 V
I
CH1
I
CH1
I
DS2
I
DS1
I
CH2
I
DS2
bq77PL157A4225
www.ti.com SLUSA00B –MARCH 2010–REVISED APRIL 2012
Figure 2. CD charge Current and Discharge Current
bq77PL157 OUTPUT
PARAMETER TEST CONDITION MIN TYP MAX UNIT
VCn – VC(n + 1), (n =1 to 5), VC6 – GND =
V
PROTECT
+ 25 mV, VDD = VC1, I
OUT
= 0 to –0.1 PCKN + 0.2
mA, T
A
= –40°C to 110°C
V
OUT
OUT pin drive voltage V
VCn – VC(n + 1), (n = 1 to 5), VC6 – GND =
V
PROTECT
– 25 mV, VDD = VC1, I
OUT
= 0 to 0.1 mA, PCKN + 9 PCKN + 14 PCKN + 16
T
A
= –40°C to 110°C
V
OUT
rise time C
L
= 5000 pF, V
OUT
: 10% to 90% 100 µs
V
OUT
fall time C
L
= 5000 pF, V
OUT
: 90% to 10% 100 µs
LEVEL SHIFT FUNCTION
PARAMETER TEST CONDITION MIN TYP MAX UNIT
VCn – VC(n + 1), (n = 1 to 5), VC6 –GND =
I
LVL
LVIN pull down current 2 3.8 7 µA
V
PROTECT
– 25 mV, VDD = VC1, LVIN = VDD + 4 V
V
LVL
LVIN threshold voltage VDD + 1 VDD + 3.5 V
V
OH
LVO output high voltage I
OH
= –7 µA GND + 4 GND + 6 V
Output-active time-delay
t
DA
C
CD
= 0.22 µF 132 ms
VCn – VC(n + 1), (n = 1 to 5),
time
VC6 – GND = V
PROTECT
–25 mV,
CD charge current by
LVIN = VDD + 4 V
I
CHLV
CD = GND 9 × I
CH2
10 × I
CH2
11 × I
CH2
µA
LVIN input
t
DIA
Output-inactive delay time C
CD
= 0.22 µF 3.5 ms
VCn – VC(n + 1), (n = 1 to 5),
VC6 – GND = V
PROTECT
–25 mV,
CD charge current by
I
DSLV
CD = GND I
DS2
I
DS2
I
DS2
µA
LVIN = VDD
LVIN input
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