JAJSDA0 June 2017 DRV10983-Q1
PRODUCTION DATA.
NOTE
Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality.
The DRV10983-Q1 device is used in sensorless 3-phase BLDC motor control. The driver provides a high-performance, high-reliability, flexible, and simple solution for appliance fan, pump, and HVAC applications. The following design shows a common application of the DRV10983-Q1 device.
Table 36 provides design input parameters and motor parameters for system design.
MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|
Motor voltage | 6.2 | 12 | 28 | V | |
Motor velocity constant | Phase to phase, measured while motor is coasting | 0.001 | 1.8 | V/Hz | |
Motor resistance | 1 phase, measured ph-ph and divided by 2 | 0.3 | 19 | Ω | |
Motor electrical constant | 1 phase; inductance divided by resistance, measured ph-ph is equal to 1 ph | 100 | 5000 | µs | |
Operating closed loop speed | Electrical frequency | 1 | 1000 | Hz | |
Motor operating current (RMS) | 0.1 | 2 | A | ||
Absolute maximum current | During start-up or locked condition | 3 | A |
COMPONENT | PIN 1 | PIN 2 | RECOMMENDED |
---|---|---|---|
CVCC | VCC | GND | 10-µF ceramic capacitor rated for VCC |
CVCP | VCP | VCC | 0.1-µF ceramic capacitor rated for 10 V |
CCP | CPP | CPN | 10-nF ceramic capacitor rated for VCC × 2 |
LSW-VREG | SW | VREG | 47-µH ferrite rated for 1.15A (inductive mode) |
RSW-VREG | SW | VREG | 39-Ω series resistor rated for ¼ W (resistor mode) |
CVREG | VREG | GND | 10-µF ceramic capacitor rated for 10 V |
CV1P8 | V1P8 | GND | 1-µF ceramic capacitor rated for 5 V |
CV3P3 | V3P3 | GND | 1-µF ceramic capacitor rated for 5 V |
RSCL | SCL | V3P3 | 4.75-kΩ pullup to V3P3 |
RSDA | SDA | V3P3 | 4.75-kΩ pullup to V3P3 |
RFG | FG | V3P3 | 4.75-kΩ pullup to V3P3 |