Datasheet Motor/Actuator Driver DC Brush Motor Series 40V/3A Rating H Bridge Driver for Automotive BD16912EFV-C General Description Key Specifications BD16912EFV-C is a 1-ch H-bridge DMOS FET driver for Operating Power Supply Voltage Range:6 V to 18 V automotive application. Motor Drive Output Current Rating: 3 A High efficiency driving is possible by direct PWM control Junction Temperature Range: 40 C to +150 C or constant current PWM control. Motor Drive Output ON Resistance(Sum of High Side It is equipped with Output Current Detection Amplifier, and Low Side): 0.36 during V =12 V (Typ) VS Abnormality Detection Signal Output, low ON resistance and small package, contributing to high reliability, low power consumption and space saving of the set. Package W (Typ) x D (Typ) x H (Max) HTSSOP-B20 6.50 mm x 6.40 mm x 1.00 mm Features (Note 1) AEC-Q100 Qualified Small Package with Backside Exposed PAD Driver with Built-in Power DMOS FET 2 Input Control (Forward Rotation, Reverse Rotation, Idle Rotation, Brake) Direct PWM Control Constant Current PWM Control (Current limit) Power Save (Standby) Through Current Prevention Output Current Detection Amplifier Abnormality Detection Signal Output HTSSOP-B20 Abnormality Detection (Over Current, Over Voltage, Thermal Shutdown: TSD, Thermal Warning: TW) Output Protection (Over Current, Over Voltage, Thermal Shutdown: TSD) Application Under Voltage Lock Out: UVLO Automotive DC Brush Motor (Note 1) Grade 1 Typical Application Circuit 5V 5V 1 GND ST2 20 Controller 2 IN+ ST1 19 3 IN AMPO 18 4 PSB N.C. 17 5 VREF VS 16 12V 6 N.C. VS 15 7 OUT+ OUT 14 8 OUT+ OUT 13 9 RNF GND 12 10 RNF CS 11 M Figure 1. Basic Application Circuit Product structure : Silicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0H5H0C302020-1-2 2018 ROHM Co., Ltd. All rights reserved. 1/40 TSZ22111 14 001 20.Mar.2018 Rev.001 BD16912EFV-C Contents General Description ........................................................................................................................................................................ 1 Features.......................................................................................................................................................................................... 1 Key Specifications .......................................................................................................................................................................... 1 Package .......................................................................................................................................................................................... 1 Application ...................................................................................................................................................................................... 1 Typical Application Circuit ............................................................................................................................................................... 1 Contents ......................................................................................................................................................................................... 2 Absolute Maximum Ratings ............................................................................................................................................................ 3 Recommended Operating Conditions ............................................................................................................................................. 3 Thermal Resistance ........................................................................................................................................................................ 3 Pin Configuration ............................................................................................................................................................................ 4 Block Diagram ................................................................................................................................................................................ 4 Pin Description ................................................................................................................................................................................ 4 I / O Truth Table .............................................................................................................................................................................. 5 Electrical Characteristics................................................................................................................................................................. 6 Typical Performance Curves ........................................................................................................................................................... 8 Application Example ..................................................................................................................................................................... 24 1. Variable Speed Control Application by Direct PWM Control......................................................................................... 24 2. Variable Speed Control Application by Constant Current PWM Control ......................................................................... 25 Description of Blocks .................................................................................................................................................................... 26 1. Under Voltage Lock Out: UVLO.................................................................................................................................... 26 2. Over Voltage Protection: OVP ........................................................................................................................................ 26 3. Over Current Protection: OCP ........................................................................................................................................ 27 4. Thermal Warning: TW, Thermal Shutdown: TSD ............................................................................................................ 28 5. Direct PWM Control ........................................................................................................................................................ 29 6. Output Current Detection Amp (AMPO Pin) ................................................................................................................... 30 7. Constant Current PWM Control (Current Limit) .............................................................................................................. 30 8. Power Save (PSB Pin) ................................................................................................................................................... 31 I / O Equivalence Circuits.............................................................................................................................................................. 32 Heat Loss...................................................................................................................................................................................... 33 1. Thermal Resistance ........................................................................................................................................................ 33 2. Power Dissipation ........................................................................................................................................................... 33 3. Thermal De-rating Curve ................................................................................................................................................ 33 Safety Measures ........................................................................................................................................................................... 34 1. Countermeasure against Destruction of Reverse Connection Power Supply ................................................................. 34 2. Measures to Raise the Power Supply Pin Voltage by Back Electromotive Force ........................................................... 34 3. Countermeasures against Unstable Power Supply ........................................................................................................ 35 4. Prohibition of Ground Line PWM Switching Input ........................................................................................................... 35 Operational Notes ......................................................................................................................................................................... 36 Ordering Information ..................................................................................................................................................................... 38 Marking Diagram .......................................................................................................................................................................... 38 Physical Dimension and Packing Information ............................................................................................................................... 39 Revision History ............................................................................................................................................................................ 40 www.rohm.com TSZ02201-0H5H0C302020-1-2 2018 ROHM Co., Ltd. All rights reserved. 2/40 TSZ22111 15 001 20.Mar.2018 Rev.001