ROHM BD8229EFV Data Manual
Summary
This advanced 4-channel BTL driver IC is designed for precise motor control in consumer electronics, such as CD/DVD players and car audio systems. It efficiently manages diverse motors, including spindle drives, loading sleds, and actuator coils. The unit features miniaturization, separated power rails for optimized efficiency, built-in thermal protection, and sophisticated controls like mute and reset comparators. This manual serves as a comprehensive technical guide, detailing operational characteristics, electrical specifications, wiring diagrams, and recommended applications to ensure seamless integration into modern audio and optical systems.
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System Motor driver IC Series for CD / DVD Players
4ch System Motor Driver IC
BD8229EFV No.10011EAT01
●Description BD8229EFV is BTL driver of 5 input 4 output developed for driving Spindle motor, Sled/Loading motor and the actuator coil. The hysteresis comparator for reset is built in, and the number of parts can reduce.
●Features 1) 4CH BTL Driver 2) HTSSOP-B24 power package is adopted, the set is miniaturized. 3) Has a wide dynamic range（Pre Vcc=Pow Vcc=8V,RL=8Ω, 6.0Ｖ(typ.)） 4) Built-in thermal-shut down circuit 5) Separating Vcc into Pre and Power (Power divides into CH1/2 and CH3/4), can make better Power efficiency 6) Switches CH2 input by Control input terminal (CNT). 7) Incorporates mute function by CNT terminal and mute terminal 8) Built in hysteresis comparator for reset
●Applications Car Audio
●Absolute Maximum Ratings
Parameter Symbol Limits Unit
Power supply voltage Pre Vcc,Pow Vcc1, Pow Vcc2 15 V Input terminal voltage 1 Vin1*3 Pre VCC V Input terminal voltage 2 Vin2*4 Pow VCC2 V
Power dissipation Pd
Operating temperature range Topr -40~+85 ℃ Storage temperature Tstg -55~+150 ℃ Junction temperature Tjmax +150 ℃ *1 70mm×70mm×1.6mm,occupied copper foil is less than 3%,glass epoxy standard board) mounting. Reduce power by 11.6m W for each degree above 25℃. *2 Exclusive standard board mounting. Reduce power by 32.0m W for each degree above 25℃. *3 Vin1 Application terminal：IN1, CNT, IN2-1, IN2-2, BIAS, IN3, IN4, MUTE *4 Vin2 Application terminal：RSTDET
●Recommended Operating Conditions
Parameter Symbol Limits Unit
PRE part Power supply Pre Vcc 4.5~14*5 V
DC motor system power supply Pow Vcc1 4.5~Pre VCC*3 V
Actuator system power supply Pow Vcc2 4.5~Pre VCC*3 V *5 Set the power supply voltage taking allowable dissipation into considering.
www.rohm.com 2010.02 - Rev.A
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Page Summary Contents For ROHM BD8229EFV Data Manual
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 12 |
| File Size | 481.69 KB |
| Published | June 19, 2026 |
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Frequently Asked Questions
How is output signal controlled?
The IC features a Control Input Terminal (CNT) and a MUTE terminal to manage CH2's input and mute function.
What is the power supply voltage range?
For PreVcc, the recommended operating voltage range is 4.5 V to 14 V.
Does the device protect against overheating?
Yes, it incorporates a built-in thermal-shut down circuit for safety and reliability.
What types of equipment is this driver IC intended for?
It is suitable for general-use electronic equipment such as audio visual equipment, office automation, or communication devices.