NE5570

Philips Semiconductors Linear Products Product specification Brushless DC motor controller NE/SA5570 DESCRIPTION The NE/SA/SE5570 is a three-phase brushless DC motor controller with a microprocessor-compatible serial input data port; 8-bit monotonic digital-to-analog converter; PWM comparator; oscillator; three Hall sensor inputs and six source/sink phase pre-drivers. PIN CONFIGURATION D1, N Packages DATA 1 CLOCK 2 CE 3 24 V DD 23 PHASE 1H FEATURES • 8-bit DAC • Serial-to-parallel converter • Output pre-drivers • Entire switch mode conversion • Adaptable to 60° or 120° commutation • Overcurrent protection APPLICATIONS RESET 4 DAC REFIN 5 22 PHASE 1L 21 PHASE 20 PHASE 2L 19 PHASE 18 PHASE 3L 17 HS1 16 HS2 2H OSCOUT 6 Rt/Ct 7 LOOP FILTER2 LOOP FILTER1 8 9 3H FEEDBACK 10 INV 11 NON-INV 12 15 HS3 14 CURRENT SENSE 13 GND TOP VIEW • Motor controller for three-phase brushless DC motor • Robotics • Computer peripherals ORDERING INFORMATION DESCRIPTION 24-Pin Plastic Dual In-Line Package (DIP) 24-Pin Small Outline Large Package (SOL) 24-Pin Plastic Dual In-Line Package (DIP) 24-Pin Small Outline Large Package (SOL) 24-Pin Plastic Dual In-Line Package (DIP) NOTE: 1. Available in large SO (SOL) package only. TEMPERATURE RANGE 0 to +70°C 0 to +70°C -40°C to +85°C -40°C to +85°C -55°C to +125°C ORDER CODE NE5570N NE5570D SA5570N SA5570D SE5570N DWG # 0412A 0173D 0412A 0173D 0412A August 31, 1994 1151 853-1135 13721 Philips Semiconductors Linear Products Product specification Brushless DC motor controller NE/SA5570 BLOCK DIAGRAM DATA CLOCK 1 DATA REGISTER 2 24 3 MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 VDD CE HS3 HS2 HS1 15 16 17 13 GND 23 PHASE 1H D0 D1 D2 D3 D4 D5 D6 D7 D8 D8 CNTL LDR D7 D6 D5 D4 LCTL 22 PHASE 1L DAC REGISTER LOAD MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 REGISTER 21 DECODE LOGIC PHASE 2H MR Q8 Q7 Q6 Q5 Q4 PGO 120 BRAKE CMD BRAKE RESET 4 20 PHASE 2L BRAKE ENABLE LOCK ENABLE CW/CCW 20 21 22 23 24 25 26 27 5 DAC REF IN DAC 6 I SENSE COMP SAWTOOTH GENERATOR 7 Rt/Ct PWM – LOOP FILTER 2 8 ERROR AMP 9 LOOP FILTER 1 10 FDBK R S OR AMP 12 + – 11 INV NON INV – S Q Q R + 14 I SENSE 0.5V CYCLE CMD 18 PHASE 3L 19 PHASE 3H OSC OUT ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER Temperature range TA TJ TSTG VDD Operating ambient Operating junction Storage Power supply Logic inputs, all 0 to 70 -55 to 150 -65 to 150 16 -0.3 to 15 -40 to 85 -55 to 150 -65 to 150 16 -0.3 to 15 -55 to 125 -55 to 150 -65 to 150 16 -0.3 to 15 °C °C °C V V RATING NE5570 SA5570 SE5570 UNIT August 31, 1994 1152 Philips Semiconductors Linear Products Product specification Brushless DC motor controller NE/SA5570 RECOMMENDED OPERATING CONDITIONS SYMBOL TA NE Grade SA Grade SE Grade TJ Junction temperature range NE Grade SA Grade SE Grade VDD Supply voltage 0 to 90 -40 to 105 -55 to 145 9.6 to 14.4 °C °C °C V PARAMETER Ambient temperature range 0 to 70 -40 to 85 -55 to 125 °C °C °C RATING UNIT DC ELECTRICAL CHARACTERISTICS Limits apply at VDD=12V ±10%, VREF=5V and over operating temperature range unless otherwise specified. Typical data applies at TA=25°C SYMBOL PARAMETER TEST CONDITIONS SA/NE5570 Min 18.5 18 ±2 500 1000 Typ 20 Max 21 22 Min 18.5 18 ±2 500 1000 SE5570 Typ 20 Max 21 22 UNIT Oscillator fO fC Frequency initial accuracy Frequency drift over temp Supply voltage sensitivity Output pulse width TA=25°C, RT=2.49kΩ, CT=22nF RT=2.49kΩ, CT=22nF TA=25°C TA=25°C, RT=2.49kΩ, CT=22nF RL=2kΩ to Gnd, CL=2nF [1V to 11V] RL=2kΩ to VCC, CL=2nF [1V to 11V] VOH=8V VOL=3.1V ISOURCE=5mA ISOURCE=80mA (over temp) ISINK=5mA ISINK=80mA (over temp) 80 80 11 8 11.8 10 0.4 2 1 3.1 1 1 350 CL=2nF 500 250 600 350 500 250 kHz kHz %/V ns Motor Phase Pre-Drivers tR tF IOUT Rise time Fall time ISOURCE ISINK VOH VOL 500 500 80 80 11 8 11.8 10 0.4 2 1 3.1 1 1 600 µA µA mV ns V 500 500 ns ns mA VOUT PWM Comparator IBIAS IBIAS VTH tPD Input bias current Input bias current Current sense trip level Propagation delay to output drivers Input bias current Input common-mode voltage range Large-signal voltage gain Power supply rejection ratio Output voltage swing VIN=+50mV, IL=-150µA VIN=-50mV, IL=+150µA VOUT=1V to 11V 0 70 60 11.5 11.7 0.2 0.5 90 Current Sense Comparator Error Amplifier IBIAS VCM VOL PSRR VO 1 5 0 70 60 11.5 11.7 0.2 0.5 90 1 5 µA V dB dB V V DC ELECTRICAL CHARACTERISTICS (Continued) Limits apply at VDD=12V +10%, VREF=5V and over operating temperature range unless otherwise specified. Typical data applies at TA=25°C. August 31, 1994 1153 Philips Semiconductors Linear Products Product specification Brushless DC motor controller NE/SA5570 SYMBOL PARAMETER TEST CONDITIONS SA/NE5570 Min -20 Typ 3 Max +20 1 5 5 90 90 11.7 0.2 80 250 300 8 ±1 ±0.5 ±2 ±1 ±0.8 ±2 60 30 0.5 60 Min -20 -0.3 0 70 60 11.5 SE5570 Typ 3 Max +20 1 5 5 90 90 11.7 0.2 80 250 300 8 ±1 ±0.5 ±0.2 20 ±1 45 5 200 200 12 0.8 ±1 ±1 2.0 0 12 0.8 ±1 ±1 1.8 5.0 ±2 60 ±2 ±1 ±0.8 0.5 UNIT Operational Amplifier VOS IBIAS VCM VOL PSRR VO CMRR GBW VNN Offset voltage Input bias current Input common-mode voltage range Large signal voltage gain Power supply rejection ratio Output voltage swing Common-mode rejection ratio Gain bandwidth Input noise voltage Resolution INL DNL VFS VZS ZIN tS tPLH tPHL VIH VIL IIH IIL IDD NOTES: 1. Monotonicity guaranteed over operating temperature range. Integral non-linearity error Differential non-linearity error1 Full-scale gain error Full-scale temperature drift Zero-scale offset error Input impedance (DAC ref. in) Settling time to ±0.5 LSB Propagation delay time (high) Propagation delay time (low) Input voltage: TTL high Input voltage: TTL low Input current: TTL high Input current: TTL low 1.8 Through DAC Through DAC 2.0 0 Error amp. AV=1 VREFTC=0ppm/°C Error amp. AV=1 30 VIN=+50mV, IL=-150µA VIN=-50mV, IL=+150µA RS=10kΩ RF=100kΩ F=1kHz TA=25°C Over temp. VOUT=1V to 11V -0.3 0 70 60 11.5 60 mV µA V dB dB V V dB kHz nV/√Hz bits LSB LSB %FS ppm/°C LSB kΩ µs ns ns V V µA µA mA Digital-to-Analog Converter ±0.2 20 ±1 45 5 200 200 Logic Inputs Supply Current 5.0 August 31, 1994 1154 Philips Semiconductors Linear Products Product specification Brushless DC motor controller NE/SA5570 TYPICAL PERFORMANCE CHARACTERISTICS NE5570 Oscillator Frequency vs Temperature 22.0 21.5 21.0 FREQUENCY (kHz) 20.5 CT ( µF) 20.0 19.5 19.0 18.5 18.0 –60–40 –20 10–4 10–2 10–1 100 101 103 .0000 9.000 10–1 10–2 RT = 10k RT = 20k RT = 100K VCC = 12V 101 TA = 25oC 100 RT = 5k RT = 3k RT = 2.49k RT = 2k RT = 1k ICC (MA) .5000 /div Oscillator Frequency vs RT and CT 5.000 NE5570 Oscillator Frequency vs Supply Voltage TA = 55oC TA = +25oC 10–3 TA = +125oC 0 20 40 60 80 100 120 102 V1 .6000/div VCC = (V) (V) 15.00 TEMP (oC) OSCILLATOR FREQUENCY (kHz) NE5570 Oscillator Output Pulse Width 2000 1900 THRESHOLD VOLTAGE (mV) 1800 GAIN (dB) 1700 1600 1500 1400 1300 1200 1100 1000 –60 –40 –20 0 20 40 60 80 100 120 TEMP (oC) 20 OFF ON VCC = 12V 80 100 NE5570 Op Amp Gain vs Temperature VCC = +5V CURRENT SENSE THRESHOLD (mV) 600 500 400 300 NE5570 Current Sense Comparator Threshold vs Temperature VCC = 12V 60 40 200 100 0 –60–40 –20 0 0 –60 –40 –20 0 20 40 60 80 100 120 TEMP (oC) 20 40 60 80 100 120 TEMP (oC) ICC vs VCC 15 14 SUPPLY VOLTAGE (V) 13 12 11 10 9 18 TA = 25oC 800 700 NE5570 Logic Threshold Voltage vs Temperature VCC = 12V PULSE WIDTH (ns) 19 20 21 FREQUENCY (kHz) 22 600 500 400 300 200 –60–40 –20 0 20 40 60 80 100 120 TEMP (oC) August 31, 1994 1155