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BQ29200 Datasheet(PDF) 6 Page - Texas Instruments

Part # BQ29200
Description   Voltage Protection with Automatic Cell Balance
Download  24 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ29200 Datasheet(HTML) 6 Page - Texas Instruments

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6
bq29200, bq29209
SLUSA52C – SEPTEMBER 2010 – REVISED MARCH 2016
www.ti.com
Product Folder Links: bq29200 bq29209
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Copyright © 2010–2016, Texas Instruments Incorporated
Electrical Characteristics (continued)
Typical values stated where TA = 25°C and VDD = 7.2 V. Minimum and maximum values stated where TA = –40°C to 110°C
and VDD = 4 V to 10 V (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
(1)
Specified by design. Not 100% tested in production.
XDELAY_CTM
(1)
Overvoltage delay time
scale factor in Customer
Test Mode
0.08
s/µF
ICD(CHG)
Overvoltage detection
charging current
150
nA
ICD(DSG)
Overvoltage detection
discharging current
60
µA
VCD
Overvoltage detection
external capacitor
comparator threshold
1.2
V
ICC
Supply current
(VC2–VC1) = (VC1–GND) = 3.5 V (See Figure 7.)
3
6
µA
VOUT
OUT pin drive voltage
(VC2–VC1) or (VC1–GND) > VPROTECT,
VDD = 10 V, IOH = 0
6
8.25
9.5
V
(VC2–VC1) or (VC1–GND) = VPROTECT, VDD = VPROTECT,
IOH = –100 µA, TA = 0°C to 60°C
1.75
2.5
V
(VC2–VC1) and (VC1–GND) < VPROTECT ,
IOL = 100 µA, TA = 25°C
200
mV
(VC2–VC1) and (VC1–GND) < VPROTECT ,
IOL = 0 µA, TA = 25°C
0
10
mV
VC2 = VC1 = VDD = 4 V, IOL = 100 µA
200
mV
IOH
High-level output current
OUT = 1.75 V, (VC2–VC1) or (VC1–GND) = VPROTECT, VDD
= VPROTECT to 10 V, TA = 0°C to 60°C
–100
µA
IOL
Low-level output current
OUT = 0.05 V, (VC2–VC1) or (VC1–GND) < VPROTECT, VDD
= VPROTECT to 10 V, TA = 0°C to 60°C
30
85
µA
IOH_ZV
High-level short-circuit
output current
OUT = 0 V, (VC2–VC1) = (VC1–GND) = VPROTECT
VDD = 4 to 10 V
–8
mA
IIN
Input current at VCx pins
Measured at VC1, (VC2–VC1) = (VC1–GND) = 3.5 V,
TA = 0°C to 60°C (See Figure 7.)
–0.2
0.2
µA
Measured at VC2, (VC2–VC1) = (VC1–GND) = 3.5 V,
TA = 0°C to 60°C (See Figure 7.)
2.5
µA
VMM_DET_ON
Cell mismatch detection
threshold for turning ON
(VC2–VC1) versus (VC1–GND) and vice-versa when cell
balancing is enabled. VC2 = VDD = 7.6 V
17
30
45
mV
VMM_DET_OFF
Cell mismatch detection
threshold for turning OFF
Delta between (VC2–VC1) and (VC1–GND) when cell
balancing is disabled. VC2 = VDD = 7.6 V
–9
0
9
mV
VCB_EN_ON
Cell balance enable ON
threshold
Active LOW pin at CB_EN
1
V
VCB_EN_OFF
Cell balance enable OFF
threshold
Active HIGH at CB_EN
2.2
V
ICB_EN
Cell balance enable ON
input current
CB_EN = GND (See Figure 8.)
0.2
µA
RCB1
Internal cell balance
switch resistance
CB_EN = GND
Ω
RCB2
Internal cell balance
switch resistance
CB_EN = GND
Ω


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