data brief for further information contact your local stmicroelectronics sales office. october 2011 doc id 022333 rev 1 1/6 6 STEVAL-ILH004V1 70 w electronic ballast for metal halide lamp (hid) based on the l6382d5 and st7flite49k2 features minimum mains voltage (rms value): 85 v maximum mains voltage (rms value) : 265 v minimum mains frequency( fmin): 47 hz expected bridge efficiency (h-bridge): 95% rated lamp power (plamp) : 70 w rated output power: 73 w output current: 0.18 a regulated dc output voltage (v out ): 410 v maximum output low-frequency v out ripple: 20 v pfc minimum switching frequency: 30 khz expected pfc efficiency 96 % expected input section efficiency: 99% expected power factor: 0.99 rohs compliant description the STEVAL-ILH004V1 demonstration board implements a digital ballast for a 70 w hid lamp (sodium or metal halide) used in general lighting applications. the ballast is composed of a boost converter (power factor controller pfc) working in transition mode and an inverter composed of a half-bridge that drive th e lamp in low-frequency square wave. both the half-bridge and the pfc stage are managed by the st7lite49k2 that controls the l6382d5, activating all the power switches. STEVAL-ILH004V1 www.st.com
electrical schematics STEVAL-ILH004V1 2/6 doc id 022333 rev 1 1 electrical schematics figure 1. pfc schematic ! - v . & 2 1 ) 9 $ 7 [ p + $ 7 p + 8 $ . 9 & q ) ; & q ) ; & q ) 9 , 1 5 . ' 6 7 7 + / ' 7 0 0 % $ 7 5 5 . 5 5 . 5 5 $ , 1 5 . 5 . 5 . 5 n 5 n 4 6 7 ) 1 0 1 ' & s ) & q ) 9 5 . 5 . & q ) < 5 . ' 7 0 0 % $ 7 & q ) 9 9 5 5 3 ) & b 0 2 6 ) ( 7 b * $ 7 ( 3 ) & b = ( 5 2 b & 8 5 b ' ( 7 ( & 7 3 ) & b 2 & 3 ) & b 9 2 8 7 b 6 ( 1 6
STEVAL-ILH004V1 electrical schematics doc id 022333 rev 1 3/6 figure 2. half-bridge schematic ! - v 3 ) * b 0 2 6 ) ( 7 b * $ 7 ( & s ) 5 . & s ) 5 9 / $ 0 3 & q ) & s ) n 9 9 / $ 0 3 & q ) 9 + ( * & q ) 9 ' 7 0 0 % $ 7 ' 9 : ' 7 0 0 % $ 7 3 ) & b * $ 7 ( b ' 5 , 9 ( 5 9 / ' 7 0 0 % $ 7 y ' 7 0 0 % $ 7 9 / 9 ' / , & + + ( * y 7 p + % 5 , ' * ( b = & ' / 2 : b 6 , ' ( b , 1 3 8 7 4 6 7 1 1 . = 9 / $ 0 3 9 / $ 0 3 & s ) 9 7 + , * + b 6 , ' ( b , 1 3 8 7 + ( , 9 & s ) 9 & 6 2 y 7 & x ) 9 & s ) & s ) 9 / & s ) & s ) 9 / , 6 ( 1 6 4 6 7 ) 1 0 1 ' 4 6 7 ) 1 0 1 ' ' 6 7 7 + / + ( * . & 2 1 8 6 7 b / ' 9 & & * 1 ' 9 % 2 2 7 1 & 3 ) , / 6 , + 6 , + ( , 9 5 h i 9 b 0 l f u r 7 3 5 + 6 * 2 8 7 / 6 * & 6 2 & 6 , + ( * 3 ) * 1 & 1 & + 9 6 8 5 n 5 n & x ) 9 5 n & q ) 9 5 n 5 n 5 n 5 5 n 5 n 5 9 / 9 / 5 5 & x ) 9 5 . 9 5 . : & x ) 9 5 . : 5 3 ) & b 0 2 6 ) ( 7 b * $ 7 ( 5 . 5 .
electrical schematics STEVAL-ILH004V1 4/6 doc id 022333 rev 1 figure 3. auxiliary power supply schematic and microcontroller pin functions ! - v + ( , / p + p $ 3 ) & b = ( 5 2 b & 8 5 b ' ( 7 ( & 7 & x ) 9 3 ) & b 2 & ' 9 : 8 6 7 / , 7 ( . % 3 $ + 6 & 2 0 3 , 1 $ 3 $ + 6 $ 7 , & 3 $ + 6 $ 7 3 : 0 3 $ + 6 $ 7 3 : 0 3 $ + 6 $ 7 3 : 0 0 & ' 3 $ + 6 $ 7 3 : 0 0 & ' 3 $ + 6 , & ' $ 7 $ 3 $ + 6 , & & / . 3 % $ , 1 3 % $ , 1 & . , 1 3 % $ , 1 3 % $ , 1 3 % $ , 1 3 % $ , 1 & 2 0 3 2 8 7 % 3 % $ , 1 3 % $ , 1 3 & $ , 1 % 3 & $ , 1 3 & , & & ' $ 7 $ 3 & , & & & / . 3 & / 7 , & & 2 0 3 , 1 % 3 & & 2 0 3 , 1 % % 5 ( $ . 3 & & 2 0 3 , 1 $ 3 & % 5 ( $ . & 2 0 3 2 8 7 $ 9 ' ' 9 6 6 ' 6 & & / . , 1 ' 6 & 9 6 6 $ 5 6 7 9 ' ' $ & q ) 9 & q ) 9 8 9 , 3 ( 5 / 1 * 1 ' 9 ' ' / , 0 ) ( % & 2 0 3 ' 5 $ , 1 ' 5 $ , 1 5 . 9 * 1 ' . & 2 1 y 5 6 7 * 1 ' 3 & 5 3 & y & x ) 9 5 & q ) 9 ' * 5 ( ( 1 / ( ' y & q ) 9 ' 5 ( ' / ( ' & q ) 9 3 & 3 & & q ) 9 5 . 5 1 & 5 . 5 . 5 6 7 & q ) ' 6 7 7 + 5 $ / 2 : b 6 , ' ( b , 1 3 8 7 & 6 2 ' 6 7 7 + 5 $ + , * + b 6 , ' ( b , 1 3 8 7 3 ) & b * $ 7 ( b ' 5 , 9 ( 5 3 ) & b 9 2 8 7 b 6 ( 1 6 & s ) 9 / $ 0 3 $ , 1 9 / $ 0 3 , 6 ( 1 6 & s ) % 5 , ' * ( b = & '
STEVAL-ILH004V1 revision history doc id 022333 rev 1 5/6 2 revision history table 1. document revision history date revision changes 06-oct-2011 1 initial release.
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