Datasheet > 3625

3625

更新时间： 2024-01-22 16:34:16

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器传感器电机
页数	文件大小	规格书
8页	148K
描述
POWERHALL SENSOR/DRIVERS FOR BRUSHLESS DC MOTORS

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3625 数据手册

3625 AND

3626

POWERHALL SENSOR/DRIVERS

FOR BRUSHLESS DC MOTORS

Requiring a minimum of external components, the UDN3625M

and UDN3626M are monolithic ICs that provide single-chip control

and direct drive solutions for many small, single-phase, unipolar

brushless dc motor applications. Integrated into the ICs are a high-

sensitivity Hall-effect sensor, control and commutating logic, a stable

voltage regulator, extensive self and system protective functions, and

two high-current saturated npn outputs. Both ICs include thermal

shutdown, output over-current limiting, and output transient protection/

flyback diodes. The UDN3625M is nominally for 12 V motor applica-

tions while the UDN3626M is better suited to 24 V motors.

Output over-current limiting (relating to startup surge or a locked

rotor condition) and short-circuit protection are provided by an internal

current-sense resistor. The maximum (default) output load current is

typically 1.3 A for the UDN3625M or 600 mA for the UDN3626M,

but may be decreased by user selection of an external low-wattage

resistor.

CONTACT FACTORY

for availability

and latest information

A separate low-level output provides tachometer capability for

motor speed control or sensing a locked rotor condition. With appro-

priate external logic, pulse-width modulated (PWM) speed control can

be accomplished at the output current adjust pin.

ABSOLUTE MAXIMUM RATINGS

Supply Voltage, V_CC. . . . . . . . . . See Table

Output Current, I_O. . . . . . . . . . . . See Table

PWM Current Control Voltage,

V_ADJ. . . . . . . . . . . . . See Applications

Magnetic Flux Density, B . . . . . . Unlimited

Package Power Dissipation,

These sensor/drivers are supplied in an 8-pin mini-DlP plastic

package with a copper leadframe for increased package power

handling capability.

P_D. . . . . . . . . . . . . . . . . . . . See Graph

Operating Temperature Range,

FEATURES

T_A. . . . . . . . . . . . . . . . . -20°C to +85°C

Storage Temperature Range,

■ 900 mA/12 V or 400 mA/24 V Operation

■ Speed-Control (PWM) Capability

■ Locked-Rotor Indication

■ Minimum External Components

■ Over-Current Protected

■ Thermal Protection

T_S. . . . . . . . . . . . . . . . -65°C to +150°C

UDN3625M

UDN3626M

V_CC(MAX)

I_O(CONT)

I_O(PEAK)

14 V

1.0 A

1.6 A

26 V

0.45 A

0.75 A

■ Enhanced Reliability

■ Reduced Cost

Output current rating will be limited by

ambient temperature, supply voltage, and

duty cycle. Under any set of conditions, do

not exceed a junction temperature of

+150°C.

Always order by complete part number, e.g., UDN3625M .

See Maximum Ratings at left.

12 3 4 5 6 7 8

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与3625相关器件

型号	品牌	获取价格	描述	数据表
36-25	BEL	获取价格	Power Transformer
3625/06SF	3M	获取价格	WIRE AND CABLE, FLAT FLEXIBLE CABLE, 6 CONDUCTOR(S), 28AWG, 300V, ROHS COMPLIANT
3625/08	3M	获取价格	WIRE AND CABLE, FLAT FLEXIBLE CABLE, 8 CONDUCTOR(S), 28AWG, 300V, ROHS COMPLIANT
3625/08SF	3M	获取价格	WIRE AND CABLE, FLAT FLEXIBLE CABLE, 8 CONDUCTOR(S), 28AWG, 300V, ROHS COMPLIANT
3625/10	3M	获取价格	WIRE AND CABLE, FLAT FLEXIBLE CABLE, 10 CONDUCTOR(S), 28AWG, 300V, ROHS COMPLIANT
3625/12	3M	获取价格	WIRE AND CABLE, FLAT FLEXIBLE CABLE, 12 CONDUCTOR(S), 28AWG, 300V, ROHS COMPLIANT
3625/12SF	3M	获取价格	WIRE AND CABLE, FLAT FLEXIBLE CABLE, 12 CONDUCTOR(S), 28AWG, 300V, ROHS COMPLIANT
3625/14	3M	获取价格	WIRE AND CABLE, FLAT FLEXIBLE CABLE, 14 CONDUCTOR(S), 28AWG, 300V, ROHS COMPLIANT
3625/1430M	3M	获取价格	WIRE AND CABLE
3625/14SF	3M	获取价格	WIRE AND CABLE, FLAT FLEXIBLE CABLE, 14 CONDUCTOR(S), 28AWG, 300V, ROHS COMPLIANT

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