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RECOMMENDEDOPERATINGCONDITIONS
bq29312A
SLUS629A–JANUARY2005–REVISEDAUGUST2005
MINNOMMAXUNIT
supplyvoltage(batorpack)4.5
(1)
25V
V
i(startup)
开始-upvoltage(包装)5.0v
vc1,vc2,vc3,vc40bat
sr1,sr2–0.50.5
vc5–0.53.0
V
I
InputvoltagerangeV
vcn–vc(n+1),(n=1,2,3,4)05.0
PMS0PACK
SLEEP0REG
V
IH
0.8×regregv
logiclevelinputvoltagesclk,sdata,wdi
V
IL
00.2×reg
V
IH
V
(包装)
–0.2v
(包装)
V
PMSlogiclevelPMS
V
IL
00.2
pmspullup/pulldownresistancerpms1001000k
Ω
V
O
OutputvoltageOD25V
I
O
outputcurrentxalert,sdata200µa
CELL±10µA
inputcurrent,
I
I
睡眠-0.51.0µa
external3.3-vregcapacitor
C
(reg)
4.7µf
R
(cell)
100
Ω
ExtendCELLoutputfilter
C
(cell)
100nF
OD1mA
I
OL
Inputfrequency
wdi32.768khz
WDIhightime228µs
T
一个
Operatingtemperature–4085°C
(1)v
(包装)
supplyvoltagemustriseabovestart-upvoltageonpoweruptoenabletheinternalregulatorwhichdrivesregandtoutas
必需的.oncev
(包装)
isabovethestart-upvoltage,itcanfalldowntotheminimumsupplyvoltageandstillmeetthespecificationsof
thebq29312a.
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