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TLS2205

PinoutSpecificationsMotor supply voltage, SPNVCC, VCMVCC (see Note 1) . . . . . . . . . . . . . . . . . . . . .. . . . 8 VPower supply voltage, AVCC, DVCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . .. . 6 VMaximum voltage at U, V, W . . . . . . . . . . . . . . . . . . . . . . . ....

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SeekIC No. : 004522147 Detail

TLS2205: PinoutSpecificationsMotor supply voltage, SPNVCC, VCMVCC (see Note 1) . . . . . . . . . . . . . . . . . . . . .. . . . 8 VPower supply voltage, AVCC, DVCC (see Note 1) . . . . . . . . . . . . . . . ...

TLS2205 Data Sheet

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Part Number:
TLS2205
Supply Ability:
5000

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  • 1~5000
  • Unit Price
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Product Details

Description



Pinout

Connection Diagram




Specifications

Motor supply voltage, SPNVCC, VCMVCC (see Note 1) . . . . . . . . . . . . . . . . . . . . .. . . . 8 V
Power supply voltage, AVCC, DVCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . .    . . 6 V
Maximum voltage at U, V, W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 V
Spindle current at U, V, W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 1.4 A
VCM current, VCMA, VCMB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 0.41 A
Operating virtual junction temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Thermal resistance (DL package): Junction-to-ambient, RJA (see Note 2) . . . . . . 89 /W
                                                           Junction-to-case, RqJC (see Note 2) . . . . . . 14 /W
Thermal resistance (PM package): Junction-to-ambient, RJA (see Note 2) . . . . . . .71 /W
                                                           Junction-to-case, RqJC (see Note 2) .  . . . . . 14 /W
Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0  to 70
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 55  to 125
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . 250

1. All voltage values are with respect to ground.
2. The device is mounted on a printed-circuit board with 0.22 square inches of copper connected to the package tabs.


Description

The TLS2205 is a combination voice-coil and spindle-motor driver with voltage monitor integrated circuit. This circuit is designed for small-form-factor, high-performance hard disk drives. The TLS2205 integrates a three-phase brushless dc motor driver with a linear full-bridge voice-coil driver. Additional circuitry is added for power-up and power-down sequencing of the driver amplifiers used for motor speed control. A brake function can be invoked on the spindle motor after the head is in a safe landing zone. External sense resistors are used for precision spindle motor and VCM current monitoring. Automatic head retract is provided for voltage or thermal fault conditions. The TLS2205 operates with only 5 V of supply voltage and has a sleep-mode option for low-power applications. All device functions are controlled from a three-wire serial port. Device packaging is a 56-terminal DL or 64-terminal PM package. Center pins are tied to the die mount tab for improved heat dissipation on both packages.




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