Analog Solutions—Robust Reliable Performance MC34932 Dual 5A H-bridge power integrated circuit Overview The MC34932 is a monolithic dual H-bridge power IC in a robust thermally enhanced package, one that provides ultra-low thermal resistance. Automatic thermal back-off ensures high availability operation in demanding high-current, high-temperature industrial applications. The MC34932 has two independent H-bridge power ICs in the same package. They are designed primarily for low-voltage DC brushed and stepper motor control applications. Each H-bridge in the MC34932 is able to control inductive loads with currents up to 5.0 A Target Applications • Dual DC brushed motor drive • DC brushed and stepper motor driver • 3D printers peak. RMS current capability is subject to the degree of heat sinking provided to the device • Factory automation package. Internal peak-current limiting (regulation) is activated at load currents above 6.5 A ± • POS, ATM, vending kiosks 1.5 A. The MCU can pulse width modulate the load through the MC34932 at frequencies up to 20 kHz. A load current feedback feature provides a proportional (0.24 percent of the load •Robotics current) current output suitable for monitoring by a microcontroller’s A/D input. A status flag • Medical pump and valves output reports under-voltage, over-current and over-temperature fault conditions. • Ticketing, toll systems Independent inputs provide polarity control of each half-bridge totem-pole output. The disable inputs are provided to force the H-bridge outputs to tri-state (high-impedance off-state). Simplified Applications Drawing 93:5 9'' 6)$ )%$ 0&8 ,1 ,1 ' (1' ,1 ,1 ' (1' )%% 93:5$ &&3$ 287 02725 287 3*1'$ $*1'$ 93:5 93:5% &&3% 287 02725 9'' 6)% 3*1'% $*1'% 287 Freescale: A Leader in Analog Solutions Product Differentiation Features Benefits Robust thermally enhanced SOIC package Choice between smaller footprint or visual fillet inspection Load current mirroring provides a proportional current output (0.24% of the load current) Provides feedback to a microcontroller for control or protection Temperature-dependant current-limit threshold reduction Maintains operation at reduced current for continuous operation Automatic maximum current regulation via predetermined MOSFET shut-off times Reduces safety and reliability risks Integrated fault detection and interrupt flag for undervoltage, over-current, and over-temperature Saves board space over discrete solution interface with real-world signals to control Sleep mode with < 20 μA current draw (each half with inputs floating or set to match default logic states) Reduces power consumption and drive complete embedded systems. 3.0 and 5.0 V TTL/CMOS logic compatible inputs Design flexibility 5.0 to 36 V continuous operation (transient operation from 5.0 to 40 V) Wide range of applications Expanding on more than 30 years of innovation, Freescale is a leading provider of high-performance products that use SMARTMOS technology combining digital, power and standard analog functions. Freescale supplies analog and power management ICs that are advancing the automotive, consumer, industrial and networking markets. Analog solutions Performance 54-PIN SOICW-EP 98ASA99334D Performance Typical values Outputs 2 RDSON at 25 ºC 120 mΩ Operating voltage 5.0 to 36 V PMW MC34932 11 kHz (max) PMW MC34932S 20 kHz (max) ESD ±2000 V Control/communication Parallel Documentation Freescale Document Number Title Description MC34932 5.0A Dual H-Bridge Data sheet SG1002 Analog Product Selector Guide Selector guide SG200 Analog and Power Management Industrial Selector Guide Selector guide AN2409 Small Outline Integrated Circuit (SOIC)—Fine Pitch Package Application note Development Tools Part Number Description KIT33932EKEVBE Evaluation Kit, featuring the MC33932 For more information, please visit freescale.com/analog Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. SMARTMOS is a trademark of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2013, 2015 Freescale Semiconductor, Inc. Document Number: MC34932FS REV2