Datasheet > A4915METTR-T

A4915METTR-T

更新时间： 2022-05-19 07:23:01

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器
页数	文件大小	规格书
17页	378K
描述
3-Phase MOSFET Driver

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数据手册

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A4915METTR-T 数据手册

A4915

3-Phase MOSFET Driver

ELECTRICAL CHARACTERISTICS (continued) Valid at T_A= 25°C, V_BB= 24 V; unless otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

Protection (continued)

Bootstrap Undervoltage

V_BOOTUVMeasured as a percentage of V_REG

V_BOOTUVhysMeasured as a percentage of V_REG

–

Bootstrap Undervoltage Hysteresis

V_DDrising

V_DDUV

–

2.75

2.6

100

–

2.95

–

VDD Undervoltage

V_DDfalling

2.45

–

VDD Undervoltage Hysteresis

Sleep Wake-up Delay

Gate Drive

V_DDUVhys

t_WAKE

150

C_BOOTxfully charged, C_LOAD= 10 nF

V_Cx– 0.2

–

High-Side Gate Drive Output

Low-Side Gate Drive Output

Gate Drive Pull-Up Resistance

Gate Drive Pull-Down Resistance

V_GHx

I_GHx< 10 μA

–

V_Sx+ 0.3

V_REG= 13 V, C_LOAD= 10 nF

V_REG– 0.2

–

0.3

–

V_GLx

I_GLx< 10 μA

–

T_J= 25°C, I_GHx= –150 mA

R_GHx(ON)UP

T_J= 125°C, I_GHx= –150 mA

–

T_J= 25°C, I_GLx= –150 mA

R_GLx(ON)DN

2.4

–

3.5

4.6

–

T_J= 125°C, I_GLx= –150 mA

GHx Passive Pull-Down

GLx Passive Pull-Down

R_GHx(PPD)V_GHx– V_Sx< 0.3 V

R_GLx(PPD)V_GLx– V_LSS< 0.3 V

–

5000

200

150

–

t_rGx

t_fGx

20% to 80%, C_LOAD= 10 nF

80% to 20%, C_LOAD= 10 nF

–

μs

Output Switching Time

–

TDEAD tied to GND

–

R_TDEAD= 12 kΩ

R_TDEAD= 64 kΩ

150

925

2.9

–

Time delay measured

from turn-off to turn-on

Dead Time

t_DEAD

800

–

1050

–

R_TDEAD= 220 kΩ

Logic I/O

V_IN(H)

V_IN(L)

I_IN(H)

0.7 × V_DD

–

Logic Input Voltage

BRAKEn, DIR, ENABLE, HA, HB, and HC pins

–

0.3 × V_DD

V_IN= high

–

μA

Logic Input Current

I_IN(L)

V_IN= low, ENABLE = low

No fault present, I_SINK= 1mA

ENABLE = low, SPEED = high

ENABLE = high, SPEED = low

–1

–

FAULT Output Voltage

V_FAUlT

–

0.2

ENABLE and SPEED Sleep Timer

t_SLEEP

Continued on the next page…

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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