LTC3300-2 查看數據表（PDF） - Linear Technology

零件编号

产品描述 (功能)

生产厂家

LTC3300-2

Addressable High Efficiency Bidirectional Multicell Battery Balancer

Linear Technology 

LTC3300-2

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise specified.

Balancer Efficiency

vs Cell Voltage

93

DC2064A DEMO BOARD

ICHARGE = IDISCHARGE = 2.5A

FOR 12-CELL STACK ONLY

92

91

90

89

2.8 3.0

DISCHARGE, 12-CELL STACK

DISCHARGE, 6-CELL STACK

CHARGE, 6-CELL STACK

CHARGE, 12-CELL STACK

3.2 3.4 3.6 3.8 4.0 4.2

VOLTAGE PER CELL (V)

33002 G19

Typical Charge Waveforms

I1S

50mV/DIV

I1P

50mV/DIV

PRIMARY

DRAIN

50V/DIV

SECONDARY

DRAIN

50V/DIV

2µs/DIV

DC2064A DEMO BOARD

ICHARGE = 2.5A

T=2

S = 12

33002 G21

Balance Current vs Cell Voltage

2.7

CHARGE, 12-CELL STACK

2.6

2.5

DISCHARGE, 12-CELL STACK

2.4

DISCHARGE, 6-CELL STACK

2.3

DC2064A DEMO BOARD

ICHARGE = IDISCHARGE = 2.5A

FOR 12-CELL STACK ONLY

2.2

CHARGE, 6-CELL STACK

2.1

2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2

VOLTAGE PER CELL (V)

33002 G20

Typical Discharge Waveforms

I1P

50mV/DIV

I1S

50mV/DIV

SECONDARY

DRAIN

50V/DIV

PRIMARY

DRAIN

50V/DIV

2µs/DIV

DC2064A DEMO BOARD

IDISCHARGE = 2.5A

T=2

S = 12

33002 G22

Protection for Broken Connection

to Cell While Charging

C1 PIN

1V/DIV 3.6V

G1P

2V/DIV

~5.2V

CONNECTION TO

C1 BROKEN

BALANCING

SHUTS OFF

Protection for Broken Connection

to Secondary Stack While

Discharging

SECONDARY

STACK VOLTAGE

10V/DIV 43.2V

G1P

2V/DIV

~66V

CONNECTION TO

STACK BROKEN

BALANCING

SHUTS OFF

Changing Balancer Direction

“On the Fly”

SCKI

5V/DIV

I1P

50mV/DIV

CHARGING

2ms

DISCHARGING

G1P

2V/DIV

50µs/DIV

33002 G23

500µs/DIV

33002 G24

20µs/DIV

33002 G25

33002f

8

For more information www.linear.com/LTC3300-2

Share Link: