Multi-phase bidirectional current controller 'LM5170-Q1'
The LM5170-Q1 controller achieves high voltage and high precision essential for dual-channel bidirectional converters in automotive 48V and 12V dual battery systems. It regulates the average current flowing between the high voltage and low voltage ports in the direction specified by the DIR input signal. The current regulation level is programmed via analog or digital PWM input. With dual-channel differential current sensing amplifiers and dedicated channel current monitors, a current accuracy of 1% at standard values is achieved. A robust 5A half-bridge gate driver drives parallel MOSFET switches, providing over 500W of power per channel. 【Features】 ■ AEC-Q100 certified for automotive applications ■ Maximum ratings of 100V HV port and 65V LV port ■ 1% accuracy bidirectional current regulation ■ 1% accuracy channel current monitoring ■ 5A peak half-bridge gate driver *For more details, please contact us.
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basic information
【Other Features】 ■ Programmable or adaptive dead-time control ■ Programmable oscillator frequency, with optional synchronization to an external clock ■ Independent channel enable control input ■ Current control inputs for analog and digital channels ■ Programmable peak current limit on a cycle-by-cycle basis ■ Overvoltage protection for HV and LV ports ■ Prevention of negative current through diode emulation ■ Programmable soft start timer ■ MOSFET fault detection and circuit breaker control at startup ■ Addition or reduction of multi-phase operating phases *For more details, please contact us.
Applications/Examples of results
【Applications】 ■ Dual battery system for vehicles ■ Supercapacitor or battery backup power converter ■ Stackable buck or boost converter *For more details, please contact us.
Company information
Texas Instruments (Headquarters: Dallas, Texas, USA; Chairman, President, and CEO: Rich Templeton; Abbreviation: TI) supports customers in developing new electronic devices that make the world "more convenient, healthier, safer, environmentally friendly, and enjoyable," and works together to solve challenges. TI has manufacturing, design, and sales locations in over 30 countries worldwide and continues to pursue innovation. TI's analog ICs and embedded processing support everyday life from behind the scenes in a society overflowing with digital devices. The company is actively investing in products and technologies for markets that will become increasingly important in the future, such as the environment, energy, healthcare, medical devices, and security. Technical Inquiry Contact TI Japan Product Information Center 【http://www.tij.co.jp/pic/】
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