AS3630 datasheet(9/72 Pages) AMSCO

9 / 72 page

8A Supercap Flash Driver

AS3630 – 9

Supercap Charger / Discharge

VSUPERCAP_

EOC

End of charge

voltage for

Supercap

Programmable in

90mV steps by

end_of_charge_vo

ltage above 5.5V

max. 60000s

during lifetime of

AS3630

4.469

4.57

4.671

4.557

4.66

4.763

4.646

4.75

4.855

4.724

4.83

4.936

4.820

4.93

5.036

4.900

5.01

5.12

4.995

5.11

5.219

5.082

5.2

5.31

5.170

5.29

5.402

5.258

5.38

5.494

5.345

5.47

5.585

5.433

5.56

5.677

5.526

5.65

5.774

5.616

5.74

5.868

5.704

5.83

5.96

5.793

5.92

6.053

ISUPERCAP_

CHARGE

Pre-charging

current of

Supercap2

Pre-charging and

transition (to

charge) of

Supercap - see

Supercap

Charging/Discharg

e/Pre-charge to

VIN ; final charging

to VSUPERCAP_EOC is

controlled by

coil1_peak

charge_current

=00b, low

quiescent

current mode

100

200

300

01b

380

500

650

10b

570

750

975

11b

760

1000

1300

IKEEP_

CHARGE

Keeping Supercap

charged current

During torch, charge or PWM

operation keep VSUPERCAP charged

if keep_sc_charged =1

RDIS_

CHARGE

Discharge

resistance for

VSUPERCAP

mode_setting = 001b / shutdown

and discharge Supercap

250*2

Symbol

Parameter

Conditions

Min

Typ

Max

Units

AS3630 Datasheet(PDF) 9 Page - ams AG

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