Texas Instruments BQ2057T Evaluation Module for Li-Ion, linear (8.2V), two cells DV2057T DV2057T Datenbogen
Produktcode
DV2057T
3
DV2057/C/T/W
TEMP+
BAT+
BAT-
J3
J2
Q1
FZT788B
D1
ZHCS1000
1
2
2
1
2
2
J1
DC+
As shipped:
RCOMP1 = open circuit
RCOMP2 = 0
RCOMP1 = open circuit
RCOMP2 = 0
Ω
Development Board
DV2057
DV2057C
DV2057T
DV2057W
bq2057SN or bq2057TS
bq2057CSN or bq2057CTS
bq2057TSN or bq2057TTS
bq2057WSN or bq2057WTS
Part Number
Notes:
DC-
1
2
2
RT1
C2
1
1
µF
C1
0.1
D2
R1
1.0k
1.0k
RCOMP2
RCOMP1
R2
0.2
R4
3
R3
2K
LED
bq2057
SOIC
bq2057
TSSOP
TSSOP
U1A
U1B
COMP
CC
V
CC
V
SS
STAT
SNS
BAT
V
CC
TS
COMP
CC
V
CC
V
SS
STAT
SNS
BAT
V
CC
TS
8
7
6
5
7
6
5
1
2
3
4
2
3
4
8
7
6
5
7
6
5
1
2
3
4
2
3
4
RT2
1.5M
1.5M
1.5M
INH
1
1
ZHCS1000 and FZT788B are made by Zetex, Inc.
4.
For use with a bipolar transistor: (Q1 is FZT788B)
R1 = 1.0k
R1 = 1.0k
Ω
R4 = open circuit
For use with a MOSFET: (Q1 is BSP171P (Infineon))
R1 = 100
R1 = 100
Ω
R4 = 1.0k
Ω
3
2
2
2
DV2057/C/T/W Schematic