AW3643CSR datasheet(29/39 Pages) AWINIC

29 / 39 page

AW3643

Jan 2018 V1.4

www.awinic.com.cn



Boost Configuration Register (0x07)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Software

Reset Bit

0=Not Reset

(Default)

1=Reset

RFU

LED Pin

Short Fault

Detect

0=Disabled

1=Enabled

(Default)

Boost Mode

0=Normal

(Default)

1=Pass Mode

Only

Boost

Frequency

Select

0=2 MHz

(Default)

1=4 MHz

Boost

Current Limit

0=1.9A

1=2.8A

(Default)



Timing Configuration Register (0x08)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

RFU

Torch Current Ramp time

000=No Ramp

001=1 ms

(Default)

010=32 ms

011=64 ms

100=128 ms

101=256 ms

110=512 ms

111=1024 ms

Flash Time-out Duration

0000=40 ms

0001=80 ms

0010=120 ms

0011=160 ms

0100=200 ms

0101=240 ms

0110=280 ms

0111=320 ms

1000=360 ms

1001=400 ms

1010=600 ms

(Default)

1011=800 ms

1100=1000 ms

1101=1200 ms

1110=1400 ms

1111=1600 ms



Temp Register (0x09)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

RFU

TORCH

Polarity

0=Active High

(Default)

(Pull-down

Resister

Enabled)

1=Active Low

(Pull-down

Resister

Disabled)

NTC Open

Fault Enable

0=Disabled

(Default)

1=Enabled

NTC Short

Fault Enable

0=Disabled

(Default)

1=Enabled

TEMP Detect Voltage Thresholds

000=200 mV

001=300 mV

010=400 mV

011=500 mV

100=600 mV

(Default)

101=700 mV

110=800 mV

111=900 mV

TORCH/TEM

Function

Select

0=TORCH

(Default)

1=TEMP



Flags1 Register (0x0A)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

TX Flag

VOUT Short

Fault

LED1 Short

Fault

LED2 Short

Fault

Current Limit

Flag

Thermal

Shutdown

(TSD) Fault

UVLO Fault

Flash

Time-Out

Flag



Flags2 Register (0x0B)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

RFU

NTC Short

Fault

NTC Open

Fault

IVFM Trip

Flag

OVP Fault

TEMP Trip

Fault

AW3643CSR Datasheet(PDF) 29 Page - Shanghai awinic technology co.,ltd

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