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TMC5072-EVAL Datasheet(PDF) 5 Page - TRINAMIC Motion Control GmbH & Co. KG. |
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TMC5072-EVAL Datasheet(HTML) 5 Page - TRINAMIC Motion Control GmbH & Co. KG. |
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5 / 107 page  TMC5072 DATASHEET (Rev. 1.22 / 2017-MAY-16) 5 www.trinamic.com 1 Principles of Operation Diff. Tranceiver Half Bridge 2 Half Bridge 1 Half Bridge 1 Half Bridge 2 +VM VS 2 x current comparator 2 phase stepper motor N S Stepper driver Protection & diagnostics programmable sine table 4*256 entry 2 x DAC stallGuard2™ coolStep™ x step multiplier O1A1 O1A2 BR1A / B RSENSE RSENSE O1B1 O1B2 spreadCycle & stealthChop Chopper VCC_IO TMC5072 Dual stepper motor driver / controller SPI interface CSN/IO0 SCK/IO1 SDO/RING SDI/IO2 2x linear 6 point RAMP generator reference switch processing Step & Direction pulse generation Stepper #1 Motio n con trol coolS tep m otor drive r Half Bridge 2 Half Bridge 1 Half Bridge 1 Half Bridge 2 +VM VS 2 x current comparator 2 phase stepper motor N S programmable sine table 4*256 entry 2 x DAC stallGuard2™ coolStep™ x step multiplier O2A1 O2A2 BR2A / B RSENSE RSENSE O2B1 O2B2 spreadCycle & stealthChop Chopper reference switch processing Step & Direction pulse generation Stepper #2 coolS tep m otor drive r 2x linear 6 point RAMP generator Motio n con trol Control register set Single wire interface CLK oscillator/ selector 5V Voltage regulator temperature measurement charge pump CPO CPI VCP 22n 100n SWION SW_SEL CLK_IN Interf ace SWIOP +VM 5VOUT VSA 4.7µ +VIO Dual Encoder unit ENC1A ENC1B IO0/SWIOP/REFL1 1A 1B 1N 2A 2B 2N REFR1 REFR2 IO1/SWION/REFL2 ENC1A/INT ENC1B/PP INT & position pulse output NEXTADDR SINGLEDRV SINGLEDRV DRV2:=DRV1 GNDP GNDP F F F F F F F F F F = 60ns spike filter dcStep™ dcStep™ VCC RSENSE=0R25 allows for maximum coil current SPI™ single wire UART opt. ext. clock 12-16MHz 3.3V or 5V I/O voltage 100n 100n 100n 100n interface selection encoder or interrupt out ref. / stop switches or step & dir (motor 2) ref. / stop switches or step & dir (motor 1) opt. driver enable Figure 1.1 Basic application and block diagram The TMC5072 motion controller and driver chip is an intelligent power component interfacing between the CPU and one or two stepper motors. All stepper motor logic is completely within the TMC5072. No software is required to control the motor – just provide target positions. The TMC5072 offers a number of unique enhancements which are enabled by the system-on-chip integration of driver and controller. The sixPoint ramp generator of the TMC5072 uses stealthChop, dcStep, coolStep, and stallGuard2 automatically to optimize every motor movement. The clear concept and the comprehensive solution save design time. 1.1 Key Concepts The TMC5072 implements several advanced features which are exclusive to TRINAMIC products. These features contribute toward greater precision, greater energy efficiency, higher reliability, smoother motion, and cooler operation in many stepper motor applications. stealthChop™ No-noise, high-precision chopper algorithm for inaudible motion and inaudible standstill of the motor. dcStep™ Load dependent speed control. The motor moves as fast as possible and never loses a step. stallGuard2™ High-precision load measurement using the back EMF on the motor coils. coolStep™ Load-adaptive current control which reduces energy consumption by as much as 75%. spreadCycle™ High-precision chopper algorithm available as an alternative to the traditional constant off-time algorithm. sixPoint™ Fast and precise positioning using a hardware ramp generator with a set of four acceleration / deceleration settings. Quickest response due to dedicated hardware. |
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