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BD8255MUV-M Datasheet(PDF) 2 Page - Rohm |
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BD8255MUV-M Datasheet(HTML) 2 Page - Rohm |
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2 / 45 page  2/41 TSZ02201-0G1G0BK00210-1-2 © 2013 ROHM Co., Ltd. All rights reserved. 4.Apr.2016 Rev.004 www.rohm.com TSZ22111・15・001 BD8255MUV-M Pin Configuration (TOP VIEW) Block Diagram SLO2- SLO1- SPGND ACTGND N.C. FCO- SLO2+ SLO1+ U_OUT FCO+ TKO- LDO- N.C. N.C. TEST1 SLRNF2 SLRNF1 SLGND TKO+ LDO+ BD8255MUV-M W_OUT PREVCC AVM V_OUT 1 2 3 4 5 6 7 8 9 10 11 12 17 18 19 20 21 22 23 24 13 14 15 16 33 34 35 36 29 30 31 32 25 26 27 28 44 43 42 41 40 39 38 37 48 47 46 45 LIMIT LIMIT Hall Amp / Reverse Protect Current Detector FCO+ FCO- LDO+ LDO- SLO1+ SLO1- SLO2+ SLO2- U_OUT V_OUT W_OUT SPCNF OSC Current Detector Current Detector OSC SLRNF1 SLRNF2 BHLD SPRNF HU+ HU- HV+ HV- HW+ HW- HALL_VC TKO+ TKO- DAC DAC DAC DAC DAC DAC SHV SDI SDO SCLK SLV MUTEB VREG ERROUT Regulator FG Figure 2. Pin configuration Figure 3. Block diagram Pin Description No. Pin Name Function No. Pin Name Function 1 PREVCC Pre driver power supply (Note 1) 25 TEST2 TEST Pin (use with GND short) 2 HU+ Hall amp. U positive input 26 ERROUT Serial data error output 3 HU- Hall amp. U negative input 27 SDO Serial data output 4 HV+ Hall amp. V positive input 28 SDI Serial data input 5 HV- Hall amp. V negative input 29 SCLK Serial clock input 6 HW+ Hall amp. W positive input 30 SLV Serial slave input 7 HW- Hall amp. W negative input 31 VREG Inside power supply for SPI logic 8 HALL_VC Hall bias 32 SHV Power supply for SDO output 9 FG FG output 33 PREGND Pre block ground 10 SPCNF Spindle driver loop filter 34 MUTEB Mute input 11 BHLD Spindle current bottom hold 35 TEST3 TEST Pin (use open) 12 SPRNF Spindle power supply and current sense 36 TEST4 TEST Pin (use open) 13 W_OUT Spindle driver W output 37 PREVCC Pre driver power supply (Note 1) 14 V_OUT Spindle driver V output 38 N.C. - 15 U_OUT Spindle driver U output 39 ACTGND Actuator and loading power ground 16 SPGND Spindle power ground 40 LDO- Loading driver negative output 17 SLGND Sled power ground 41 LDO+ Loading driver positive output 18 SLO1+ Sled driver 1 positive output 42 N.C. - 19 SLO1- Sled driver 1 negative output 43 TKO- Tracking driver negative output 20 SLRNF1 Sled 1 power supply and current sense 44 TKO+ Tracking driver positive output 21 SLO2+ Sled driver 2 positive output 45 FCO- Focus driver negative output 22 SLO2- Sled driver 2 negative output 46 FCO+ Focus driver positive output 23 SLRNF2 Sled 2 power supply and current sense 47 N.C. - 24 TEST1 TEST Pin (use with GND short) 48 AVM Actuator power supply (Note1) Use with Pin1 and Pin37 are shorted. |
Similar Part No. - BD8255MUV-M_16 |
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Similar Description - BD8255MUV-M_16 |
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