LT8584
36
8584fb
For more information www.linear.com/LT8584
C12C
1µF
MODULE
+
–
8584 TA03a
•
•
T12
1:4
C12B
100µF
D12B
C12E
22nF
R12C
4.99k
D12D
R12B
100k
LT8584
R12A
12mΩ
R2A
12mΩ
V
SNS
V
IN
SWV
CELL
DCHRG
RTMR
MODE
GND
OUT
D
IN
C12A
100µF
BATTERY STACK
TO PCB CONNECTION
KELVIN CONNECTION TO R2A
D12A
BAT12
C2C
1µF
C3D
47nF
D3C
MODULE
+
–
•
•
T2
1:4
C2B
100µF
D2B
R2B
100k
LT8584
V
SNS
V
IN
SWV
CELL
DCHRG
RTMR
MODE
GND
OUT
D
IN
C2A
100µF
D2A
C1C
1µF
MODULE
+
–
•
•
T1
1:4
C1B
100µF
D1B
R1B
100k
LT8584
V
SNS
V
IN
SWV
CELL
DCHRG
RTMR
MODE
GND
OUT
D
IN
C1A
100µF
D1A
C13
47nF
D13
C2D
47nF
D2C
C1D
47nF
D1C
LTC6804
BSM
V
+
V
–
C12
S12
C2
S2
C1
S1
C0
GPIO1
M1
R
PASS
500Ω
5W
MODULE+
MODULE–
+
BAT2
+
BAT1
+
R1A
12mΩ
KELVIN CONNECTION TO R1A
C1A-C12A: 6.3V X5R OR X7R CERAMIC CAPACITOR
C1B-C12B: 6.3V X5R OR X7R CERAMIC CAPACITOR
C1C-C12C: 100V X5R OR X7R CERAMIC CAPACITOR
C1D-C12D, C1E-C12E, C13: 50V NPO CERAMIC CAPACITOR
D1A-D12A: STMICROELECTRONICS SMA6T6V7AY TVS DIODE
D1B-D12B: FAIRCHILD ES1D 200V ULTRAFAST RECTIFIER
D1C-D12C, D13: STMICROELECTRONICS ESDALC6V1-1M2 TVS
D1D-D12D: FAIRCHILD SS16 60V, 1A SCHOTTKY
M1: FAIRCHILD FDMC86102L 100V, 5.5A
R1A-R12A: USE 1% 1206 RESISTORS
R1B-R12B, R1C-R12C: USE 1% 0603 RESISTORS
RPASS: 2 PARALLEL 2.5W WIREWOUND
T1-T12: COILCRAFT NA5743-AL
U1: LINEAR TECHNOLOGY LTC680x FAMILY INCLUDING BUT NOT
LIMITED TO LTC6802, LTC6803, LTC6804
C2E
22nF
R2C
4.99k
D2D
C1E
22nF
R1C
4.99k
D1D
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LTC3300-1 High Efficiency Bidirectional Multicell Balancer Synchronous Flyback, Up to 6 Cells in Series, 48-Lead QFN
LTC6803 Multicell Battery Stack Monitor Measures Up to 12 Li-Ion Cells in Series, SSOP-44
LTC6804 Multicell Battery Stack Monitor Measures Up to 12 Li-Ion Cells in Series, Built-In isoSPI™, SSOP-48
Stackable 8 to 12-Cell Battery Module, LT 8584 in Serial Mode, Single-Wire Configuration
Average Cell Discharge Current
MODULE VOLTAGE (V
MODULE
+ – V
MODULE
–)
30
DISCHARGE CURRENT (A)
3.0
2.4
2.2
2.8
2.6
2.0
35
4540
V
CELL
= 2.5V
V
CELL
= 3V
V
CELL
= 3.6V
V
CELL
= 4.2V
MODULE VOLTAGE (V
MODULE
+ – V
MODULE
–)
30
OUTPUT CURRENT (A)
0.30
0.10
0.05
0.20
0.25
0.15
0
35
8584 TA03c
504540
V
CELL
= 2.5V
V
CELL
= 3V
V
CELL
= 3.6V
V
CELL
= 4.2V
Average Flyback Output Current
LINEAR TECHNOLOGY CORPORATION 2013
LT 0814 REV B • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT8584