DRV10987 Datasheet, PDF (1/69 Pages) Texas Instruments – DRV10987 12- to 24-V, Three-Phase, Sensorless BLDC Motor Driver

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DRV10987
SLVSE89 – AUGUST 2017
DRV10987 12- to 24-V, Three-Phase, Sensorless BLDC Motor Driver
1 Features
•1 Operation Voltage Range:
– Motor Operation, 6.2 V to 28 V
• Total Driver H + L r_DS(on)
– 250 mΩ at T_A = 25°C
• Drive Current: 2-A Continuous Winding Current
(3-A Peak)
• Sensorless Sinusoidal 180° Commutation Scheme
• Configurable Output PWM Slew Rate and
Frequency for EMI Management
• Initial Position-Detect Algorithm to Avoid Back
Spin During Start-Up
• No External Sense Resistor Required
• Flexible User Interface Options:
– I²C Interface: Access Registers for Command
and Feedback
– Dedicated SPEED Pin: Accepts Either Analog
or PWM Input
– Dedicated FG Pin: Provides TACH Feedback
– Spin-Up Profile Can Be Customized With
EEPROM
– Forward-Reverse Control With DIR Pin
• Integrated Buck Converter, 5‑V, 100-mA
• Integrated LDO, 3.3‑V, 20-mA
• Standby Current, 8.5-mA
• Protection Features
– Overcurrent Protection (Phase-to-Phase,
Phase-to-GND and Phase-to-V_CC Short
Circuits)
– Lock Detection to Detect Rotor Lock Condition
– Anti-Voltage Surge (AVS) Protection
– Undervoltae Lockout (UVLO)
– Overvoltage Protection
– Thermal Warning and Shutdown
• Thermally Enhanced Package
2 Applications
• Pedestal and Ceiling Fans
• Air Purifiers and Humidifiers
• Dryer Circulation Fans
• Drain and Water Pumps
3 Description
The DRV10987 device is a 3-phase sensorless 180°
sinusodial motor driver with integrated power
MOSFETs, which can provide continuous drive
current up to 2 A. The device is specifically designed
for cost-sensitive, low-noise, low-external-component-
count fan and pump applications.™
The DRV10987 device delivers current to the motor
with supply voltage as low as 6.2 V. If the power
supply voltage is higher than 28 V, the device stops
driving the motor and protects the DRV10987
circuitry.
Device Information ⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DRV10987
HTSSOP (24) 7.80 mm × 6.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Application Schematic
0.1 µF
10 µF
10 nF
5V
47 µH
1 µF
1 µF
4.75 kW
4.75 kW
Interface to
Microcontroller
1 VCP
2 CPP
3 CPN
4 SW
5 SWGND
6 VREG
7 V1P8
8 GND
9 V3P3
10 SCL
11 SDA
12 FG
VCC 24
VCC 23
W 22
W 21
V 20
V 19
U 18
U 17
PGND 16
PGND 15
DIR 14
SPEED 13
VCC
10 µF
M
Copyright © 2017, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to
change without notice.