Datasheet

RECOMMENDED OPERATING CONDITIONS
bq77PL900
www.ti.com ...................................................................................................................................................... SLUS844B – JUNE 2008 – REVISED JANUARY 2009
MIN NOM MAX UNIT
Supply Voltage PACK, BAT 7 50 V
V
I(STARTUP)
Start-up voltage PACK 7.5 V
V
LOG
Logic supply voltage 0.8 × V
REG2
1.2 × V
REG1
V
Input voltage range VC1 to VC10 0 BAT
VC11 0 0.5
V
I
SRP, SRN – 0.3 0.5 V
VCn – VC(n + 1), (n = 1 to 10) 0 7
PACK, BAT 50
V
IH
Logic level input voltage high SCLK, SDATA, EEPROM, VLOG 0.8 × V
LOG
V
LOG
(VLOG = VREG1 or VREG2)
V
IL
Logic level input voltage low 0 0.2 × V
LOG
XALERT, SDATA V
LOG
VGAIN = High 1.2 V
V
O
Output voltage range VOUT, IOUT
VGAIN = Low 0.975
GPOD 45 V
R
VCX
400 Ω
I
REGOUT
I(reg1 + reg2) 25 mA
C
REG1
External 5-V REG capacitor 2.2 µ F
C
REG2
External 3.3-V REG capacitor 2.2 µ F
C
CP1
, C
CP2
Charge pump flying capacitor 1 µ F
C
CPOUT
Charge pump output capacitor 4.7 µ F
C
VOUT
Output capacitance 0.1 µ F
C
IOUT
Output capacitance 0.1 µ F
I
OL
GPOD, XRST 1 mA
f
SCLK
Input frequency SCLK 100 kHz
EEPROM number of writes 3
T
OPR
Operating temperature – 25 85 ° C
T
FUNC
Functional temperature – 40 100 ° C
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