BD8203EFV datasheet(9/26 Pages) ROHM

Part #	BD8203EFV

Description	5ch System Motor Driver

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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BD8203EFV

9/22

www.rohm.com

TSZ22111・15・001

TSZ02201-0H5H0BK01520-1-2

04.Nov.2015 Rev.001

VVO4+, VVO4- [V]

VPVCC2-VOHLD

― (VPVCC2-0.7)V

2

1

2.95V

VVO4-

VVO4+

2.59V

VVSPDL [V]

4V

3.3V

0.2V

0V

VVC (1.65V)

0V

4.2V

VOLLD

(6) Thermal Shutdown Flag Output Function

TSDM = Hi-Z (normal operation)

When thermal shutdown is activated, TSDM terminal becomes Low, all driver outputs (VO1-VO5) and regulator

outputs (REG5, REGVAR) are turned OFF (output Hi-Z).

TSDM

VCC

TSD

33kΩ

Thermal shutdown

TSDM

OFF

Hi-Z

ON

Low

(7) Power Supply Drop Mute and VC Drop Mute Function

Power supply drop mute functions at VPREVCC<VMPREVCC(3.8V Typ). At this condition all driver outputs (VO1-VO5)

are turned OFF (output Hi-Z).

VC drop mute functions at VVCO<VMVCO(0.7V Typ). At this condition driver outputs (VO1-VO4) also are turned OFF

(output Hi-Z).

Mute function list (REGRST=MUTE123=MUTE4=FWD=High at the mode state of turning ON)

Thermal

shutdown

PREVCC

VCO

REG5,REGVAR

VO1 to VO4

VO5

OFF

＞V

MPREVCC

＞V

MVCO

ON

-

OFF

＜V

MPREVCC

-

ON

OFF

＞V

MPREVCC

＜V

MVCO

ON

OFF

ON

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BD8203EFV Datasheet(PDF) 9 Page - Rohm

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