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CS902-A-R 数据表(PDF) 4 Page - Richtek Technology Corporation |
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CS902-A-R 数据表(HTML) 4 Page - Richtek Technology Corporation |
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4 / 15 page ![]() Conceptual CS902-A-R www.richtek.com June 13, 2013 4 Function Block Diagram: CS902-A-R AVDD (16.8V) LX COMP INTERNAL REGULATOR BUCK1 BOOT1 LXB1 OUTB1 VI/O (3.3V) VINB1 Vin (12V) VL DRVN VGL VGL REGULATOR VGH AVDD THERMAL SHUTDOWN DRVP AVIN UVLO VGH (28V) LX LX AGND 6.8uH 10uF 10uF*4 0.1uF 6.8uH 10uF*2 10uF 1uF 0.22uF 1uF 10uF 1uF LXB1 BOOST VL VGH REGULATOR 0.22uF 22uF*2 1uF EN EN SEQUENCE CONTROL PGND LXO 10uF 10k 0.47uF I2C Interface SDA SCL EEPROM SDA SCL DAC A0 A0 VI/O VI/O NTC RNTC VL 10k HVS HVS VGHM RE VGH VGHM GPM VFLK VFLK 75k 470pF 2.2 4.7k 4.7k 51k 22k NCP18XH103F03RB 2.2 3 1,2 11 40 38,39 37 21 20 VGL (-6.3V) 35 36 1K Ω 26 4 13,14 12 34 23 7 6 5 33 8 10 18, 19 15,16 + - POS OP NEG OP_OUT 31 30 29 OGND 28 XAO 9 A1 A1 25 VSUP 32 17 LXI 10uF C1, C2 C3 L1 D1 C4 C5,C6, C7,C8 C9 RCOMP CCOMP C10 C11 R1 R2 C12,C13 L2 D2 C14 C15 R3 D3 C16 C17 R4 Q1 R5 R6 C18 C19 C20 D4 C21 R7 RTC1 RTC2 |
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