Text version of the page

MC-31DB Controller for SQL Series SQUIGGLE Motors Outline Drawing Schematic MC-31DB Input Power

Input connector Output connector (FPC) Alternate output connector (pins) Dimensions in inches

MC-31DB Specifications

Parameter Value Two-motor control with independent frequency selection and common adjustable output voltage (note 1) Motor operation Input voltage (Vin) 2.8 to 5.5 VDC Output voltage (Vout) 24 V- 40 V (35 V default on startup) (note 2) Output voltage steps 0.5 V (controlled via I
2 C) Input control signals

Vin=3VDC, drivingone motor

I
2 C (SDA, SCL) Frequency: 400 KHz I
2 C registers: period (one per motor), pulse count (one per motor), output voltage (note 1)

5g 20g load1510

gg Standby (XPD) Low = standby Master clock (CLK) 20 MHz Input power (motor moving) Depends on Vin, motor speed, load. See chart .~ 400mW at Vin=3VDC, 15 gram load, 7 mm/s Input current (standby) 5 µA (no activity on I
2 C, CLK static, temp 27°C)
Power Input (mW) Input Current (mA) Standard deviation 27% Time to start up (typical) Time to reach Vout = 40 V From standby (XPD low->hi) <2 ms<2 ms plus power supply ramp-up time (note 3) From off (Vin 0 -> 3 VDC)

03006009001200 051015 0100200300400

Output signals Per motor: Phase 1, Phase 2, Ground Per controller: voltage Vout (note 1)

Motor Speed (mm/s)

Environmental Power in approx. doubles when driving two motors MC-31DB-08-10-01 Operating temperature -30°C to 85°C Storage temperature -40°C to 85°C (NSD-1102 rated to 150°C) Humidity (non-condensing) 5% to 85% Dimensions 23 x 18 x 13 mm (0.9 x 0.7 x 0.5 inches) Notes 1. Independent pulse width (motor speed) control will be available Q1 09 2. If two motors are driven, maximum Vout is 30V. Will increase to 40V Q1 2009. 3. External supply ramp up ~3 msec using test bench supply New Scale Technologies, Inc. ~ www.newscaletech.com ~ Phone (585) 924-4450