BD7905BFS

更新时间： 2024-01-12 01:50:32

品牌	Logo	应用领域
罗姆 - ROHM		驱动器 DVD
页数	文件大小	规格书
18页	202K
描述
6CH Power Driver for CD-ROM, DVD-ROM

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数据手册

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BD7905BFS 数据手册

BD7905BFS

Optical disc ICs

!Pin descriptions

Pin No. Pin name

Function

Pin No. Pin name

Function

Sled driver 1 input

Sled driver 2 input

Sled driver PowerMOS pre-supply

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

Hall bias

HU+

HU−

HV+

HV−

HW+

HW−

SLIN1

SLIN2

SLV^DD

SLRNF1 Sled driver 1 current sense

SLRNF2 Sled driver 2 current sense

SPCNF

SLO2−

SLO2+

SLO1−

SLO1+

AGND

GND

Spindle driver feedback filter

Sled driver 2 negative output

Sled driver 2 positive output

Sled driver 1 negative output

Sled driver 1 positive output

BTL block and sled driver power ground

GND

Spindle driver power ground 1

Spindle driver output U

Spindle driver power supply 1

Spindle driver output V

GND

PGND1

SPV

GND

PGND2

GND

Spindle driver power ground 2

Spindle driver output W

Spindle driver power supply 2

Spindle driver current sense

Frequency generator output

Driver logic control input 1

Driver logic control input 2

Spindle driver input

PWM block pre-ground

Loading driver input

Reference voltage input

Actuator driver block power supply

Focus driver negative output

Focus driver positive output

Tracking driver negative output

Tracking driver positive output

Loading driver negative output

Loading driver positive output

BTL pre and Loading power supply

Tracking driver input

FCO−

FCO+

TKO−

TKO+

LDO−

LDO+

SPVM2

SPRNF

CTL1

CTL2

SPIN

DGND

LDIN

VCC

TKIN

FCIN

DV^CC

Focus driver input

PWM block control power supply

∗ Positive/negative of the output terminals are determined in reference to those of the input terminals.

4/17

1 2 345 6 7...18

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