 English |
|
|
|
|
|
|
|
| BQ28400PWR Datasheet, PDF (6/24 Pages) Texas Instruments – Tablet PC and Netbook 2-Series Cell Li-Ion Battery Gas Gauge and Protection | |||
| |||
| ◁ |
bq28400
SLUSA61A â OCTOBER 2010 â REVISED DECEMBER 2010
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Typical values stated where TA = 25ºC and VBAT = VPACK = 7.2 V, Min/Max values stated where TA = â20ºC to 85ºC and VBAT
= VPACK = 3.8 V to 18.75 V over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITION(1)
MIN
TYP
MAX
UNIT
Flash programming
write-cycles
20k
Cycles
tROWPROG
Row programming
time
2
ms
tMASSERASE
tPAGEERASE
ICC(PROG)
Mass-erase time
Page-erase time
Flash-write supply
current
250
25
4
6
mA
ICC(ERASE)
Flash-erase supply
current
RAM Backup
TA = â40°C to 0°C
TA = 0°C to 85°C
8
22
3
15
I(RBI)
RBI data-retention
input current
VRBI > V(RBI)MIN, VREG27 < VREG27ITâ,
TA = 70°C to 110°C
VRBI > V(RBI)MIN, VREG27 < VREG27ITâ,
TA = â20°C to 70°C
V(RBI)
RBI data-retention voltage (2)
Internal LDO
20
1500
nA
500
1
V
VREG
Regulator output
voltage
IREG27 = 10 mA, TA = â20°C to 85°C
2.5
2.7
2.75
V
IREG
Regulator Output
Current
Regulator output
ÎV(REGTEMP) change with
temperature
PACK and BAT ⤠4.5 V, TA = â20°C to 110°C
4.5 V < PACK and BAT ⤠6.8 V
6.8 V < PACK and BAT ⤠18.7 5 V,
TA = â20°C to 70°C
IREG = 10 mA, TA = â20°C to 85°C
3
10
mA
16
±0. 5%
ÎV(REGLINE)
ÎV(REGLOAD)
I(REGMAX)
Line regulation
Load regulation
Current limit
IREG = 10 mA
IREG = 0.2 to 10 mA
±2
±4
mV
±20
±40
mV
25
50
mA
(2) Specified by design. Not production tested.
6
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): bq28400
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese