LTC4156IUFD View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC4156IUFD

Dual-Input Power Manager/3.5A LiFePO4 Battery Charger with I2C Control and USB OTG

Linear Technology 

Prev 31 32 33 34 35 36 37 38 39 40 Next

OPERATION

Table 8. Input Connector Priority Swap

INPUT CONNECTOR PRIORITY SWAP

SUB ADDRESS 0x01

PRIORITY

DIRECTION

Write and Readback

PRIORITY

D7 D6 D5 D4 D3 D2

Wall Input

Prioritized*

0

USB Input

Prioritized

1

*Default setting

REG1

D1 D0

Table 9. Battery Charger Safety Timer

BATTERY CHARGER SAFETY TIMER

SUB ADDRESS 0x01

TIMER[1:0]

DIRECTION

Write and Readback

TIMER[1:0]

D7 D6 D5 D4 D3 D2

1 Hr*

00

4 Hr or C/x

Indication

01

0.25 Hr

10

0.50 Hr

11

*Default setting.

REG1

D1 D0

LTC4156

Table 10. Battery Charger Current Limit

BATTERY CHARGER CURRENT LIMIT

SUB ADDRESS

0x02

ICHARGE[3.0]

DIRECTION

Write and Readback

FULL-SCALE VPROG

CURRENT SERVO

(%)

(V) D7 D6 D5 D4 D3 D2

Charger

Disabled

0.000

0

0

0

0

12.50 0.150 0 0 0 1

18.75 0.225 0 0 1 0

25.00 0.300 0 0 1 1

31.25 0.375 0 1 0 0

37.50 0.450 0 1 0 1

43.75 0.525 0 1 1 0

50.00 0.600 0 1 1 1

56.25 0.675 1 0 0 0

62.50 0.750 1 0 0 1

68.75 0.825 1 0 1 0

75.00 0.900 1 0 1 1

81.25 0.975 1 1 0 0

87.50 1.050 1 1 0 1

93.75 1.125 1 1 1 0

100.00* 1.200* 1 1 1 1

*Default setting.

REG2

D1 D0

4156f

35

Share Link: