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ATA6871 Datasheet(PDF) 3 Page - ATMEL Corporation

Part # ATA6871
Description  Li-ion Battery Management Monitoring Emergency and Backup Circuit
PDF  23 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATA6871 Datasheet(HTML) 3 Page - ATMEL Corporation

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3
9123B–AUTO–07/09
ATA6871 [Preliminary]
3.
Pin Configuration
Figure 3-1.
Pinning SSO28
MBAT4
MBAT3
CHIPONE
CHIPLAST
VSSA
BIASRES
13
14
11
12
CONF0
CONF1
ENUV
TEMP_IN
TEST_HV
TEST_LV
MBAT2
MBAT1
VDDHV
MBAT7
MBAT6
MBAT5
ATA6871
5
6
9
10
7
8
1
2
3
4
VDD
VDD
SCANMODE
CLK
OROUT
STATUS
STATUS_IN
OROUT_IN
PD_N_OUT
PD_N
16
15
22
23
24
25
26
28
27
21
20
19
18
17
Table 3-1.
Pin Description
Pin
Symbol
Function
Remark
1
VDDHV
Supply voltage
2
MBAT7
Battery monitoring line
3
MBAT6
Battery monitoring line
4
MBAT5
Battery monitoring line
5
MBAT4
Battery monitoring line
6
MBAT3
Battery monitoring line
7
MBAT2
Battery monitoring line
8
MBAT1
Battery monitoring line
9
TEST_HV
Test-mode pin
Keep pin open (output)
10
TEST_LV
Test-mode pin
Keep pin open (output)
11
VSSA
Negative supply voltage
12
BIASRES
Internal supply current adjustment
13
CHIPONE
Indicates circuit position in battery string (first, middle, last)
14
CHIPLAST
Indicates circuit position in battery string (first, middle, last)
15
CONF1
Programs how many cells will be monitored (4, 5, or 6 cells operating)
16
CONF0
Programs how many cells will be monitored (4, 5, or 6 cells operating)
17
TEMP_IN
Input for battery-cell temperature monitoring
18
ENUV
Enable/Disable under-voltage detection



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