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UCD9240 Datasheet(PDF) 11 Page - Texas Instruments |
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UCD9240 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 39 page UCD9240 www.ti.com................................................................................................................................................... SLUS766C – JULY 2008 – REVISED NOVEMBER 2008 PIN DESCRIPTIONS 64-PIN PACKAGE 80-PIN PACKAGE I/O DESCRIPTION PIN NO. SIGNAL PIN NO. SIGNAL Error Amplifier Differential Analog Inputs 50 EAp1 62 EAp1 AI Error analog, differential voltage. Positive channel #1 input. 51 EAn1 63 EAn1 AI Error analog, differential voltage. Negative channel #1 input. 52 EAp2 64 EAp2 AI Error analog, differential voltage. Positive channel #2 input. 53 EAn2 65 EAn2 AI Error analog, differential voltage. Negative channel #2 input. 54 EAp3 66 EAp3 AI Error analog, differential voltage. Positive channel #3 input. 55 EAn3 67 EAn3 AI Error analog, differential voltage. Negative channel #3 input. 56 EAp4 68 EAp4 AI Error analog, differential voltage. Positive channel #4 input. 57 EAN4 69 EAn4 AI Error analog, differential voltage. Negative channel #4 input. Analog Inputs 61 AddrSens0 77 AddrSens0 AI PMBus address sense. Least significant address bits 60 AddrSens1 76 AddrSens1 AI PMBus address sense. Most significant address bits 59 CS-1A 75 CS-1A AI Power stage 1A current sense input. Analog comparator 1 3 CS-2A 4 CS-2A AI Power stage 2A current sense input. Analog comparator 2 2 CS-3A 3 CS-3A AI Power stage 3A current sense input. Analog comparator 3 1 CS-4A 2 CS-4A AI Power stage 4A current sense input. Analog comparator 4 63 CS-1B 79 CS-1B AI Power stage 1B current sense input 62 CS-2B 78 CS-2B AI Power stage 2B current sense input – CS-3B 74 CS-3B AI Power stage 3B current sense input – CS-4B 73 CS-4B AI Power stage 4B current sense input 4 Vin/ Iin 5 Vin/ Iin AI Input supply sense, alternates between Vin and Iin 5 VTRACK 6 VTRACK AI Voltage tracking 6 Temp 7 Temp AI Temperature sense input Aux-in Aux-in – 72 AI Unused analog input -- Tie to ground with 10 k Ω resistor (AD13) (AD13) Aux-in Aux-in – 71 AI Unused analog input -- Tie to ground with 10 k Ω reisistor (AD14) (AD14) – ADCref 1 ADCref AI ADC Decoupling Capacitor -- Tie 0.1 µF cap to ground Digital PWM Outputs 17 dPWM-1A 21 dPWM-1A O DPWM 1A output 18 dPWM-1B 22 dPWM-1B O DPWM 1B output 19 dPWM-2A 23 dPWM-2A O DPWM 2A output 20 dPWM-2B 24 dPWM-2B O DPWM 2B output 21 dPWM-3A 25 dPWM-3A O DPWM 3A output 26 dPWM-3B O DPWM 3B output 23 dPWM-4A 27 dPWM-4A O DPWM 4A output 28 dPWM-4B O DPWM 4B output External Fault Inputs 11 FAULT-1A 15 FAULT-1A I External fault input 1A 12 FAULT-1B 16 FAULT-1B I External fault input 1B 13 FAULT-2A 17 FAULT-2A I External fault input 2A 14 FAULT-2B 18 FAULT-2B I External fault input 2B 25 FAULT-3A 29 FAULT-3A I External fault input 3A 41 FAULT-3B I External fault input 3B 34 FAULT-4A 42 FAULT-4A I External fault input 4A 43 FAULT-4B I External fault input 4B Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): UCD9240 |
Similar Part No. - UCD9240_15 |
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Similar Description - UCD9240_15 |
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