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UCD9240 Datasheet(PDF) 10 Page - Texas Instruments |
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UCD9240 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 39 page TYPICAL APPLICATION SCHEMATIC –Vsens-rail3 10kW 0.1 mF FCX491A +3.3V UCD9240RGC 53 52 51 50 57 56 55 54 3 59 60 61 62 63 1 2 EAp1 EAn2 EAp2 EAn1 EAn4 EAp4 EAn3 EAp3 AddrSens1 AddrSens0 CS-1A(COMP1) CS-2A(COMP2) CS-2B CS-1B CS-4A(COMP4) CS-3A(COMP3) +Vsens-rail1 –Vsens-rail2 +Vsens-rail2 –Vsens-rail1 –Vsens-rail4 +Vsens-rail4 +Vsens-rail3 CS-rail2B CS-rail1A CS-rail4A CS-rail3A CS-rail2A CS-rail1B 6 5 4 Temp Vtrack Vin/Iin 16 15 PMBus-Data PMBus-Clk 39 28 27 PowerGood(TMS) PMBus-Ctrl PMBus-Alert +3.3V 4.7 mF 20 19 18 17 12 11 23 21 DPWM-1A 15kW 0.1 mF 34 25 14 13 24 22 35 33 30 29 32 31 42 FAN-Tach 36 41 FAN-PWM SyncOut 37 38 SyncIn 10 40 DPWM-2B DPWM-2A DPWM-1B FAULT-1B FAULT-1A DPWM-4A DPWM-3A FAULT-2A FAULT-4A FAULT-3A FAULT-2B SRE-1B SRE-1A SRE-2B SRE-2A SRE-4A SRE-3A TMUX-1 TMUX-0 TMUX-2 FAN-TACH FAN-PWM SYNC-OUT SYNC-IN RCR TRST 9 RESET 10kW 10kW V IN 10kW 14 13 A1 A0 1 12 15 A4 A3 A2 4 2 A7 A6 A5 5 8 11 10 6 S2 Com S0 S1 EN 3 Temp-rail1B Temp-rail1A Temp-rail2B Temp-rail2A Temp-rail4A Temp-rail3A CD74HC4051 +3.3V PTD08A010W FAULT PWM SRE INH IOUT PTD08A010W FAULT PWM SRE INH IOUT Commutation UCD7230Driver Logic FAULT PWM SRE INH IOUT TempSensor PTD08A020W Temp-rail1A INH +3.3V V IN V O PTD08A020W FAULT PWM SRE INH IOUT Temp-rail1B CS-rail1A +Vsens-rail1 –Vsens-rail1 Temp-rail2A Temp-rail2B +Vsens-rail2 –Vsens-rail2 CS-rail1B CS-rail2A CS-rail2B PTD08A010W FAULT PWM SRE INH IOUT PTD08A010W FAULT PWM SRE INH IOUT Temp-rail3A Temp-rail4A +Vsens-rail4 –Vsens-rail4 CS-rail3A CS-rail4A +Vsens-rail3 –Vsens-rail3 82.5kW TEMP VOUT GND VBIAS TEMP GND TEMP VOUT GND TEMP VOUT GND TEMP VOUT GND TEMP VOUT GND VBIAS VIN VIN VBIAS VIN VIN VBIAS VIN VIN VBIAS VIN VIN VBIAS VIN VIN [A] UDG-08035 UCD9240 SLUS766C – JULY 2008 – REVISED NOVEMBER 2008................................................................................................................................................... www.ti.com Figure 3 shows the UCD9240 power supply controller as part of a system that provides the regulation of four independent power supplies. The loop for each power supply is created by the respective voltage outputs feeding into the differential voltage error ADC (EADC) inputs, and completed by DPWM outputs feeding into the gate drivers for each power stage. The ±Vsenserail signals must be routed to the EAp/EAn input that matches the number of the lowest DPWM configured as part of the rail. (See more detail on page 19, "Flexible Rail/Power Stage Configuration".) Figure 3. Typical Application Schematic 10 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): UCD9240 |
Similar Part No. - UCD9240_15 |
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Similar Description - UCD9240_15 |
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