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AM4953FMP-G1 Datasheet(PDF) 10 Page - BCD Semiconductor Manufacturing Limited |
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AM4953FMP-G1 Datasheet(HTML) 10 Page - BCD Semiconductor Manufacturing Limited |
10 / 16 page Data Sheet BTL Drive Single-phase Full-wave Fan Motor Driver AM4953 Aug. 2011 Rev. 1. 2 BCD Semiconductor Manufacturing Limited 10 Typical Application FG VCC OUT2 GND OUT1 CT IN- IN+ AM4953 HALL R1 D1 C1 C2 L RD R2 HB VFG VRD (Note 4) (Note 2) FG VCC OUT2 GND OUT1 CT IN- IN+ AM4953 R3 C1 C2 L AH921 R1 VFG D1 HB RD VRD R2 (Note 5) (Note 4) (Note 4) Note 2: Adding D1 can protect the IC from destruction by reverse connection. If D1 is used, it is necessary to insert a capacitor C1 to provide a regenerative current route. Similarly, if there is no nearby capacitor on the fan power supply line, C1 will also be necessary to improve reliability. Its capacity should be larger than 2.2 μF. Note 3: If the line between Hall sensor output and Hall sensor input of IC is long, the noise may occur in this line. But it can be eliminated by adding a capacitor C3. Note 4: Each of R1 and R2 is recommended to be 51k Ω typical. R3 is recommended to be 2k and must be added when VCC is larger than 20V. Note 5: The package of AH921 is SOT-23-3. If it is packaged in TO-92S-3,please exchange IN- with IN+. Figure 11. Typical Application of AM4953 |
Similar Part No. - AM4953FMP-G1 |
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Similar Description - AM4953FMP-G1 |
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