ZXBM5210 REVERSIBLE DC MOTOR DRIVE WITH SPEED CONTROL Description Pin Assignments The ZXBM5210 is a single chip solution for driving a single-coil reversible direct current (DC) fans and motors. The integrated full- bridge driver output stage is designed to minimize audible switching noise and electromagnetic interference (EMI) providing a low noise solution For system flexibility, the device has four modes of operation: Forward, Reverse, Brake and Standby selected via FWD and REV pins. The Forward and Reverse modes provide the motor rotation direction control, the Brake mode allows quick stop and the Standby SO-8 mode helps system efficiency by powering down most of the internal circuits to consume less than 32uA typical. The motor speed can be adjusted by changing the duty ratio of the PWM signal on the FWD or REV pins in the PWM mode or alternatively by adjusting DC voltage input signal to the V pin in the VREF speed control mode. REF To help protect the IC and the motor coil the ZXBM5210 includes under voltage, over voltage, over current and over temperature protections. Once the safe operating range has been exceeded the device shuts down the output drive to help prevent over stress on the IC or the coil. The device internal current protection threshold is 1.5A SO-8EP typical. The ZXBM5210 is available in the standard SO8 and thermally enhanced SO8-EP packages. Applications 5V / 9V/ 12V / 15V DC reversible motors and actuators Features Home appliances Handheld power tools Supports single-coil reversible DC motor applications Valve open and close Operating voltage: 3V to 18V Remote control motorized toys Four modes of operations: Forward, Reverse, Brake and Medium Voltage/ Low Power DC Motors Standby Low quiescent current of 0.85mA typical in normal operation and 32A in standby mode Internal over current protection Under voltage lockout and over voltage protection Over temperature protection -40C to +85C /105C operating temperature 6kV ESD withstand capability Standard SO-8 and thermally enhanced SO-8EP Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See ZXBM5210 Typical Applications Circuit Note: 4. C1 is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 100nF to 1F or more. C2 is a re-circulating capacitor for back rush voltage and recommended capacitance is 100nF for low current applications to 10F or more for large current applications. See application note section Pin Descriptions Package: SO-8 Pin Pin Name Function 1 OUT1 Driver output 2 Power Supply Voltage V M 3 V Power Supply Voltage DD 4 FWD Forward Control Input (logic level, 5.5V max) 5 REV Reverse Control Input (logic level, 5.5V max) 6 V Input reference voltage to set the internal PWM oscillator duty ratio REF 7 OUT2 Driver Output 8 GND Ground Package: SO8-EP Pin Pin Name Function 1 OUT1 Driver output 2 V Power Supply Voltage M 3 V Power Supply Voltage DD 4 FWD Forward Control Input (logic level, 5.5V max) 5 REV Reverse Control Input (logic level, 5.5V max) 6 V Input reference voltage to set the internal PWM oscillator duty ratio REF 7 OUT2 Driver Output 8 GND Ground The exposed pad is for thermal dissipation and it is internally connected to the ground. Pad Pad On the PCB layout, it can be connected to GND or left open circuit. 2 of 17 December 2013 ZXBM5210 Diodes Incorporated www.diodes.com Document number: DS36765 Rev. 1 - 2 NEW PRODUCT