data brief for further information contact your local stmicroelectronics sales office. june 2010 doc id 17284 rev 1 1/4 4 STEVAL-IHM029V1 2000 w universal motor co ntrol demonstration board based on the stm8s103f2 mcu and t1235h triac features input voltage range: 90-265 vac, 50/60 hz 12 vdc / 5 vdc auxiliary power supply based on the viper16l in buck converter topology total power consumption below 300 mw in standby mode maximum output power: 2000 w 20-pin, 8-bit stm8s103f2 mcu as main controller employs zero-voltage switching (zvs) to synchronize mcu events with the voltage mains motor driven by t1235h high-temperature triac in phase-angle control 5 power levels and standby mode selectable by potentiometer 5 leds to display the power level of the board ?run? led to indicate the board is functioning standard in-circuit programming connector iec 61000-4-4 pre-compliance test passed (burst up to 8 kv) iec 61000-4-5 pre-compliance test passed (surge up to 2 kv) rohs compliant description the STEVAL-IHM029V1 is a low-cost universal motor control demonstration board designed for the home appliance market, with particular focus on vacuum cleaners, food processors and power tools. this system features the 20-pin, 8-bit stm8s103f2 microcontroller running at 16 mhz (rc user-trimmable internal rc clock), featuring 4 kb of flash memory, a 10-bit a/d converter, 8/16 bit timers, communication interfaces and 640 bytes e 2 prom. the power supply circuitry is based on the viper16l, an off-line converter with an 800 v avalanche-rugged power section, operating at 60 khz. the STEVAL-IHM029V1 can control any universal motor up to 2000 w, thanks to the t1235h, a 12 a 600 v high temperature triac. the motor control is based on phase-angle. in order to limit the in-rush current and possible current peaks, the demonstration board features a soft-start routine and a smooth power change function. the board passed the pre-compliance tests for emc directives iec 61000-4-4 (burst up to 8 kv) and iec 61000-4-5 (surge up to 2 kv). in standby mode, the STEVAL-IHM029V1 has an overall standby power consumption below 300 mw. STEVAL-IHM029V1 www.st.com
schematic diagram STEVAL-IHM029V1 2/4 doc id 17284 rev 1 1 schematic diagram figure 1. STEVAL-IHM029V1 circuit schematic
STEVAL-IHM029V1 revision history doc id 17284 rev 1 3/4 2 revision history table 1. document revision history date revision changes 11-jun-2010 1 initial release.
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