BD83732HFP-M datasheet(4/33 Pages) ROHM

Part #	BD83732HFP-M

Description	1ch Source Driver for Automotive

Download	33 Pages

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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BD83732HFP-M / BD83733HFP-M

TSZ02201-0G1G0C700310-1-2

2016.Aug.25 Rev.003

www.rohm.com

TSZ22111・15・001

Electrical Characteristics (Unless otherwise specified Ta=-40～125°C, VIN= 13V, RVIN_F=0.47Ω, RPBUS=10kΩ)

Parameter

Symbol

Min

Typ

Max

UNIT

Condition

Circuit Current

IVIN

-

2.1

6.0

mA

IOUT Terminal

Output Current Accuracy

IOUT

373

383

393

mA

Ta=25°C

364

383

402

mA

Ta=-40°C～125°C

VIN

– IOUT Drop Voltage

VDR_IOUT

-

0.45

1.0

V

IOUT=383mA

IOUT Terminal OFF Current

IIOUT_OFF

-

1

μA

VIOUT=2V, VCRT=0.7V

Ta=25°C

IOUT Current at GND Short

IIOUT_SHORT

-

7

40

μA

VIOUT=0V

Current Sense Voltage

VIN_F_REF

0.171

0.180

0.189

V

VIN_F_REF=VIN-VIN_F

IOUT Voltage

at LED Open Detection

VIOUT_OPEN

VIN

-0.080

VIN

-0.050

VIN

-0.020

V

IOUT Voltage

at LED Short Detection

VIOUT_

SHORT

0.20

0.67

1.00

V

CRT Terminal Charge Current

ICRT_SO

29.75

35.00

40.25

μA

VCRT=0.9V

CRT Terminal Voltage

VCRT_CHA

0.990

1.10

1.21

V

CRT Terminal

Discharge Voltage 1

VCRT_DIS1

2.7

3.0

3.3

V

CRTIMER Discharge Constant

VCRT_CHA /

VCRT_DIS1

0.348

0.367

0.386

V/V

CRT Terminal

Discharge Voltage 2

VCRT_DIS2

3.6

4.0

4.4

V

RD1<->RD2

( Note1)

CRT Terminal

Charge Resistance

RCHA

51.6

54.3

57.0

kΩ

RCHA=(VCRT_DIS1 －

VCRT_CHA ) / ICRT_SO

DISC Terminal

Discharge Resistance 1

RD1

-

50.0

100

Ω

VCRT=3.4V

DISC Terminal

Discharge Resistance 2

RD2

2.5

5.0

10

kΩ

VCRT=5V

PBUS Terminal De-rating Input

Voltage High

VDH_PBUS

2.3

2.5

2.7

V

⊿VIN_F_REF = 2.0mV

⊿VIN_F_REF =

VIN_F_REF(@PBUS = 13V) –

VIN_F_REF(@PBUS = VDH_PBUS)

PBUS Terminal De-rating Input

Voltage Low

VDL_PBUS

0.8

1.0

1.2

V

IOUT<5µA

De-rating Gain

GD

114

120

126

mV/V

⊿IOUT=GD×VPBUS

VPBUS=1.5V -> 2.0V

PBUS Terminal

Low Voltage

VOL_PBUS

-

0.7

V

IPBUS=2mA

PBUS Terminal

Input Current

IIN_PBUS

-

38.0

100

μA

VPBUS=13V

Disable Open Detection

during low power supply voltage

BD83732HFP-M

VM_OPEN

7.30

7.65

8.00

V

VIN voltage

BD83733HFP-M

VM_OPEN

10.5

11.0

11.5

V

VIN voltage

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