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RT9107B Scheda tecnica(PDF) 3 Page - Richtek Technology Corporation |
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RT9107B Scheda tecnica(HTML) 3 Page - Richtek Technology Corporation |
3 / 42 page RT9107B 3 DS9107B-00 November 2016 www.richtek.com © Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Functional Pin Description Pin No. Pin Name IO Pin Function 1 OUT_A AO Output of Half-Bridge A. 2, 3 PVDD_AB P Supply for Half-Bridge A & B. 4 BST_A P Bootstrap Supply for Half-Bridge A. 5 GVDD_AB P Supply for Gate Drivers A & B. 7 OC_ADJ AO Over Current Threshold Adjust Resistor. 6, 8, 29, 31, 40, 41, 44, 45 NC -- No Internal Connection. 9 AVSS P 3.3V Analog Ground. 10 PLL_FILT AO External PLL Filter Output. 11 VR_BIAS AO Analog Supply Decoupling Capacitor. 12 VR_ANA P 1.8V Analog Supply Bypass. 13 AVDD P Analog 3.3V Supply Input. 14 A_SEL DIO I2C Address Pin. The pin can also be used as fault indicator. 15 MCLK DI Master Clock Input. 16 OSC_RES AO Oscillator Setting. 17 DVSSO P Ground for Oscillator. 18 VR_DIG P Digital 1.8V Supply Bypass. 19 PWDNN DI Power Down Input (Active Low). 20 LRCK DI I2S L/R Clock Input. 21 SCLK DI I2S Serial Bit Clock. 22 SDIN DI I2S Serial Data Input. 23 SDA DIO I2C Data Input/Output. 24 SCL DI I2C Control Clock. 25 RESETB DI Reset Input (Active Low). 26 MUTE DI Volume Mute Control Input (Active High). 27 DVDD P 3.3V Digital Supply Input. 28 DVSS P 3.3V Digital Ground. 30 AGND P Analog Ground. 32 GVDD_CD P Supply for Gate Drivers C & D. 33 BST_D P Bootstrap Supply for Half-Bridge D. 34, 35 PVDD_CD P Supply for Half-Bridge C & D. 36 OUT_D AO Output of Half-Bridge D. 37, 38 PGND_CD P Ground for Half-Bridge C & D. 39 OUT_C AO Output of Half-Bridge C. 42 BST_C P Bootstrap Supply for Half-Bridge C. 43 BST_B P Bootstrap Supply for Half-Bridge B. 46 OUT_B AO Output of Half-Bridge B. 47, 48 PGND_AB P Ground for Half-Bridge A & B. 49 (Exposed Pad) PGND P Power Ground. The exposed pad must be soldered to a large PCB and connected to PGND for maximum power dissipation. |
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