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SM8150A Fiches technique(PDF) 2 Page - Nippon Precision Circuits Inc |
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SM8150A Fiches technique(HTML) 2 Page - Nippon Precision Circuits Inc |
2 / 22 page SM8150A SEIKO NPC CORPORATION —2 6. PINOUT (Top view) 7. PIN DESCRIPTION Number Name I/O Description 1 DIN3 O LED drive current control output 3 (group A)*1 *1. Connect to ground when no LED is connected. 2 DIN2 O LED drive current control output 2 (group A)*1 3 DIN1 O LED drive current control output 1 (group A)*1 4 VOUT O LED drive voltage output 5 C1P – Charge pump boost capacitor connection 6 C2P – Charge pump boost capacitor connection 7 C2M – Charge pump boost capacitor connection 8 PGND1 – Ground (charge pump) 9 C1M – Charge pump boost capacitor connection 10 VIN1 – Supply input (charge pump) 11 VEN – Supply input (logic)*2 *2. Connect to a supply with ≥ 1.8mA drive current capability. If pull-up resistors Rup are connected to SCL, SDA, and SBN, the current consumption increases by the amount flowing through the pull-up resistances only. The current component for each of the 3 pins is given by Iup [mA] = VEN [V] / Rup [k Ω]. 12 SBN I Torch/strobe selecting voltage input (strobe when LOW)*3 *3. Pull-up or pull-down resistances are not built-in. 13 SCL I I2C interface clock input*3 14 SDA I/O I2C interface data input*3 15 VIN2 – Supply input (DC/DC converter) 16 LX O DC/DC converter coil switching output*4 *4. Leave open circuit when not used (do not connect to ground). 17 PGND2 – Ground (DC/DC converter) 18 FB I DC/DC converter feedback input 19 LDOUT2 O LDO output 2*4 20 VIN3 – Supply input (logic and LDOs) 21 LDOUT1 O LDO output 1*4 22 VREF O Bypass capacitor connection 23 GND2 – Ground 24 DIN7 O LED drive current control output 7 (high-current LED)*1 25 DIN6 O LED drive current control output 6 (group B)*1 26 DIN5 O LED drive current control output 5 (group B)*1 27 GND1 – Ground 28 DIN4 O LED drive current control output 4 (group A)*1 SDA SCL SBN VEN VIN1 C1M PGND1 VREF 22 28 8 14 17 21 15 GND2 DIN7 DIN6 DIN5 GND1 DIN4 |
Numéro de pièce similaire - SM8150A |
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Description similaire - SM8150A |
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