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MTD6505

5v bldc fan driver

Status: In Production

Features:

  • 180° Sinusoidal Drive, for high efficiency and low acoustic noise
  • Position Sensorless BLDC Drivers (No Hall-effect sensor required)
  • Integrated Power Transistors
  • Supports 2V to 5.5V Power Supplies
  • Programming Resistor (RPROG) setting to fit motor constant (Km) range from 3.25 mV/Hz to 52 mV/Hz
  • Direction Control: - Forward direction: connect DIR pin to GND or leave floating - Reverse direction: connect DIR pin to VBIAS
  • Speed Control through Power Supply Modulation (PSM) and/or Pulse-Width Modulation (PWM)
  • Built-in Frequency Generator (FG Output Signal)
  • Built-in Lockup Protection and Automatic Recovery Circuit
  • Built-in Overcurrent Limitation
  • Built-in Thermal Shutdown Protection
  • No External Tuning Required playyoutube2("F0YWJ5NDo2c5vHWkRhiMxtkU1DFuopEm&videoPcode=w0ams6AIhH8YmJnkN-idxe3OQQvA")
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The MTD6505 device is a 3-phase full-wave sensorless driver for brushless DC (BLDC) motors. It features 180° sinusoidal drive, high torque output and silent drive. With the adaptive features, parameters and wide range of power-supplies (2V to 5.5V), the MTD6505 is intended to cover a broad range of motor characteristics, while requiring minimum external components. Speed control can be achieved through either power supply modulation (PSM) or pulse-width modulation (PWM). The compact packaging and the minimal bill-of-material make the MTD6505 device extremely cost efficient in fan applications. For example, the CPU cooling fans in notebook computers require designs that provide low acoustic noise, low mechanical vibration, and are highly efficient. The frequency generator (FG) output enables precision speed control in closed-loop applications. The MTD6505 device includes Lockup Protection mode to turn off the output current when the motor is in a lock condition, with an automatic recovery feature to restart the fan when the lock condition is removed. Motor overcurrent limitation and thermal shutdown protection are included for safety enhanced operations.

Additional Features
  • 180° Sinusoidal Drive, for high efficiency and lowacoustic noise
  • Position Sensorless BLDC Drivers (No Hall-effect sensor required)
  • Integrated Power Transistors
  • Supports 2V to 5.5V Power Supplies
  • Programming Resistor (RPROG) setting to fit motor constant (Km) range from 3.25 mV/Hz to 52 mV/Hz
  • Direction Control: - Forward direction: connect DIR pin to GND or leave floating - Reverse direction: connect DIR pin to VBIAS
  • Speed Control through Power Supply Modulation (PSM) and/or Pulse-Width Modulation (PWM)
  • Built-in Frequency Generator (FG Output Signal)
  • Built-in Lockup Protection and AutomaticRecovery Circuit
  • Built-in Overcurrent Limitation
  • Built-in Thermal Shutdown Protection
  • No External Tuning Required
Parametrics
Name
Value
Operating Voltage Range (V)
2 to 5.5
Output
MOSFET
Max. Continuous Current per output
0.75
Motor Control Methods
PWM,PAM
Motor Speed Output
Frequency Generator
Shutdown Protection
Short Circuit,Overtemperature,Under Voltage
Ambient Temperature Range (°C)
-40 to +125
Packages
10/UDFN

Documents

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Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
MTD6505 3-Phase BLDC Sensorless Fan Controller Demo Board
MTD6505 3-Phase BLDC Sensorless Fan Controller Demo Board ( ADM00345 )

The MTD6505 3-Phase BLDC Sensorless Fan Controller Demonstration Board allows the control and monitoring of the MTD6505 device using PC software connected to the board via a USB connection. The included board software provides several features including VDD control and monitoring, pulse-width modulation (PWM) control, speed and current consumption monitoring. It also allows selecting the RPROG...

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MTD6505T-E/NA
0.011800
0.227879
10
UDFN
3x3x0.5mm
Matte Tin
e3
MTD6505T-LCE/NA
0.011800
0.227879
10
UDFN
3x3x0.5mm
Matte Tin
e3
MTD6505T-LL2E/NA
0.011800
0.227879
10
UDFN
3x3x0.5mm
Matte Tin
e3
MTD6505T-LLE/NA
0.011800
0.227879
10
UDFN
3x3x0.5mm
Matte Tin
e3
MTD6505T-NSE/NA
0.011800
0.227879
10
UDFN
3x3x0.5mm
Matte Tin
e3
MTD6505T-SSE/NA
0.011800
0.227879
10
UDFN
3x3x0.5mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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