Datasheet > BD6640KVT_11

BD6640KVT_11

更新时间： 2022-05-13 09:24:41

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
5页	224K
描述
Silicon Monolithic Integrated Circuit

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BD6640KVT_11 数据手册

1/4

Structure

Silicon Monolithic Integrated Circuit

4ch Sensorless System Motor Driver for MD

BD6640KVT

Product Series

Type

Features

・Operates at low power supply voltage (2.1V min)

・Power DMOS output with low ON resistance (0.8Ω Typ.)

・Incorporates a charge pump circuit for VG boost.

・3-phase full-wave soft-switching sensorless driver for spindle

・3-value control 3-phase driver for sled (built-in comparator for BEMF voltage detection)

・2ch, 3-value control H-bridges for focus/tracking

・PWM half-bridge for spindle VM power supply

○Absolute maximum ratings(Ta=25℃)

Parameter

Symbol

VCC

Limit

Unit

Power supply voltage for control circuit

Power supply voltage for driver block

Power supply voltage for pre-driver block

Input voltage

VIN

0～VCC

*500

Output current

Iomax

℃

Power dissipation

**1250

-25～+75

-55～+150

+150

Operating temperature range

Storage temperature range

Junction temperature

Topr

Tstg

Tjmax

＊Must not exceed Pd or ASO, Tjmax=150℃.

＊＊Reduced by 10mW/°C over Ta=25°C, when mounted on a glass epoxy board (70mm70 mm1.6mm).

○Operating conditions (Ta=-25～+75°C)

Parameter

Symbol

VCC1,2

Min.

Typ.

2.2

Max

6.5

5.0

Unit

2.1

Power supply voltage

Pulse input frequency

6.5

fin

500

kHz

This product described in this specification is not judged whether it applies to COCOM regulations.

Please confirm in case of export.

This product is not designed for protection against radioactive rays.

REV. C

12 3 4 5

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