參數(shù)資料
型號: THMC45
廠商: TEXAS INSTRUMENTS INC
元件分類: 運動控制電子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 0.25 A, PDSO8
封裝: PLASTIC, HTSSOP-8
文件頁數(shù): 9/14頁
文件大?。?/td> 157K
代理商: THMC45
PRODUCT PREVIEW documents contain information on new
products in the definition Phase. Characteristic data and other
data specifications are subject to change without notice. This
document is to be used for discussion only and should not be
used as the basis for any design.
thmc45.doc
Copyright
2000 Texas Instruments
!TI Strictly Private !
4
THMC45
SINGLE-PHASE 5VDC BRUSHLESS FAN DRIVER WITH SINGLE WIRE CONTROL INTERFACE
Product Preview
Absolute Maximum Ratings Over Operating Case Temperature Range (Unless
Otherwise Noted)
Symbol
Parameter
Max Rating
Units
VPWR
Supply Voltage Input
7
V
VHBIAS
Hall Effect Bias Switch Output Voltage
7
V
VOUTA, VOUTB
H-Bridge Output Voltage
7
V
VH+, VH-
Hall Sensor Amplifier Input Voltage
7
V
VPWM
Speed Control Voltage Input and Tach/Locked
Rotor Feedback Pin
7V
IOUTA, IOUTB
Continuous H-Bridge Output Current Source / Sink
250
mA
θ
JA
Package Thermal Resistance
2 oz. Copper Traces, JEDEC Low K Board,
0 LFPM Airflow
58.4
°C/W
θ
JC
Junction-to-Case Thermal Resistance
4.7
°C/W
PD
Continuous Power Dissipation
(in free air at TA = 25°C, assuming 58.4 °C/W)
2.1
W
Continuous Power Dissipation
(in free air at TA = 90°C, assuming 58.4 °C/W)
1W
TOP
Operating Temperature Range
-40 to +90
°C
TS
Storage Temperature Range
-55 to +150
°C
TJ
Maximum Junction Temperature
150
°C
TLEAD
Lead Temperature (Soldering, 10sec)
300
°C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress
ratings only, and functional operation of the device at these or any other conditions beyond those indicated under
“recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods
may affect device reliability.
Note 1:
All voltage values are with respect to GND.
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