Datasheet > BD8255MUV-E2

BD8255MUV-E2

更新时间： 2022-02-26 11:17:57

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
45页	3281K
描述
6ch System Motor Driver For Car AV

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数据手册

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BD8255MUV-E2 数据手册

BD8255MUV-M

Pin Configuration (TOP VIEW)

Block Diagram

VREG

Regulator

ERROUT

SDO

SHV

SDI

FCO+

FCO-

DAC

36 35 34 33 32 31 30 29 28 27 26 25

SCLK

SLV

TKO+

TKO-

LDO+

PREVCC

N.C.

ACTGND

LDO-

TEST1

SLRNF2

SLO2-

SLO2+

SLRNF1

SLO1-

SLO1+

SLGND

SPGND

U_OUT

V_OUT

W_OUT

MUTEB

LDO-

LDO+

N.C.

TKO-

TKO+

FCO-

FCO+

N.C.

DAC

SLO1+

SLO1-

SLO2+

SLO2-

BD8255MUV-M

LIMIT

Current

Detector

Current

Detector

SLRNF1

SLRNF2

OSC

DAC

BHLD

SPCNF

U_OUT

V_OUT

W_OUT

AVM

Current

Detector

SPRNF

10 11 12

DAC

OSC

HU+

HU-

HV+

HV-

Hall Amp /

Reverse Protect

HW+

HW-

HALL_VC

Figure 2. Pin configuration

Function

Figure 3. Block diagram

Function

Pin Description

No. Pin Name

PREVCC Pre driver power supply^{(Note 1)}

TEST2 TEST Pin (use with GND short)

ERROUT Serial data error output

HU+

HU-

Hall amp. U positive input

Hall amp. U negative input

Hall amp. V positive input

Hall amp. V negative input

Hall amp. W positive input

Hall amp. W negative input

SDO

SDI

Serial data output

HV+

HV-

Serial data input

SCLK

SLV

Serial clock input

HW+

HW-

Serial slave input

VREG

SHV

Inside power supply for SPI logic

Power supply for SDO output

HALL_VC Hall bias

FG output

PREGND Pre block ground

SPCNF

BHLD

Spindle driver loop filter

Spindle current bottom hold

MUTEB

TEST3

TEST4

Mute input

TEST Pin (use open)

PREVCC Pre driver power supply^{(Note 1)}

N.C.

ACTGND Actuator and loading power ground

SPRNF

Spindle power supply and current sense

W_OUT Spindle driver W output

V_OUT

U_OUT

Spindle driver V output

Spindle driver U output

SPGND Spindle power ground

LDO-

LDO+

N.C.

Loading driver negative output

Loading driver positive output

SLGND

SLO1+

SLO1-

Sled power ground

Sled driver 1 positive output

Sled driver 1 negative output

TKO-

TKO+

FCO-

FCO+

N.C.

Tracking driver negative output

Tracking driver positive output

Focus driver negative output

Focus driver positive output

SLRNF1 Sled 1 power supply and current sense

SLO2+

SLO2-

Sled driver 2 positive output

Sled driver 2 negative output

SLRNF2 Sled 2 power supply and current sense

TEST1 TEST Pin (use with GND short)

AVM

Actuator power supply

(Note1) Use with Pin1 and Pin37 are shorted.

www.rohm.com

TSZ02201-0G1G0BK00210-1-2

4.Apr.2016 Rev.004

2/41

TSZ22111・15・001

123 4 5 6 7...45

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