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參數(shù)資料
| 型號： | THMC41SOPD |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | VARIABLE SPEED 12-VDC BRUSHLESS FAN MOTOR DRIVERS |
| 中文描述： | 變速12伏直流無刷風扇電機驅動器 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大?。?/td> | 238K |
| 代理商： | THMC41SOPD |
THMC40, THMC41
VARIABLE SPEED 12-VDC BRUSHLESS FAN MOTOR DRIVERS
SLIS097 – MARCH 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
AGND
NO.
9
I
IC analog ground and substrate connection
CP
3
I
External charge pump capacitor
COSC
H–
1
I/O
External oscillator capacitor
12
I
Hall sensor negative input
H+
13
I
Hall sensor positive input
NC
6, 8
–
No connection
PGND
7
I
Power ground for high-side charge pump
PHA
11
O
Low-side driver for phase A motor winding
PHB
10
O
Low-side driver for phase B motor winding
RD
2
O
Open-drain locked rotor detection output—THMC41 only
TACH
2
O
Open-drain tachometer output signal—THMC40 only
VOUT
VPWR
VPWM
5
O
High-side PWM driver output for motor windings
4
I
Supply voltage input
14
I
PWM duty cycle control voltage input
absolute maximum ratings over operating case temperature range (unless otherwise noted)
(see Note 1)
Supply voltage input, V
PWR
High-side driver, PWM output voltage, V
OUT
Low-side drivers, phase A and B output, V
PHA
, V
PHB
Hall sensor amplifier input voltage, V
H+
, V
H–
PWM duty cycle control input voltage, V
PWM
Open-drain tachometer output voltage (THMC40), V
TACH
, or open-drain RD output voltage
(THMC41), V
RD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oscillator capacitor voltage, V
COSC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charge pump capacitor voltage, V
CP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous high-side PWM output source/sink current, I
OUT
Continuous low-side PWM output sink current, I
PHA
, I
PHB
Junction-to-case thermal resistance, R
θ
JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction-to-ambient thermal resistance , R
θ
JA
(see Note 2)
Continuous power dissipation at 25
°
C , P
D
(see Note 3)
Power derating factor above 25
°
C ambient , P
DERATING
(see Note 4)
Operating case temperature range, T
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum junction temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature (soldering, 10 sec), T
LEAD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
NOTES:
1. All voltage values are with respect to GND.
2. JEDEC low-K board with 0 LFM airflow
3. 150
°
C maximum junction temperature, JEDEC low-K board with 0 LFM airflow
4. 80
°
C maximum ambient and 150
°
C maximum junction temperature
18 V
18 V
40 V
7 V
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 V
7 V
30 V
1.5 A
1.5 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26.9
°
C/W
122.3
°
C/W
1022 mW
8.18 mW/
°
C
–30
°
C to 80
°
C
–55
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
150
°
C
300
°
C
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