ULQ2470M

更新时间： 2024-01-22 10:51:25

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动
页数	文件大小	规格书
4页	56K
描述
BUS DRIVER / RECEIVER

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中文翻译

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数据手册

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ULQ2470M 数据手册

2470

BUS DRIVER / RECEIVER

2470

BUS DRIVER / RECEIVER

The ULQ2470L and ULQ2470M are bi-directional bus driver /

receivers designed specifically for automotive applications. They are

intended to be used as an interface between a microprocessor and a

single-wire multiplex data bus operating from the A-line or battery.

Each device consists of a wave-shaped open-collector driver, a pull-up

resistor, and an input filter and buffer.

ULQ2470M

VCC

Output driver protection circuitry provides output shutdown if

currents in excess of 25 to 30 mA occur. Additionally, over-voltage

shutdown occurs when the bus voltage exceeds approximately

22 volts.

REXT

BUS

GND

FUNCTIONAL BLOCK DIAGRAM

VCC

Dwg. PP-061

Note that the ULQ2470M (DIP) and the ULQ2470L

(SOIC) are electrically identical and share a

common terminal number assignment.

22 kΩ

REXT

BUS

12 Ω

28 V

CURRENT

LIMIT

25 Ω

GND

Dwg. FP-039

ABSOLUTE MAXIMUM RATINGS

at T_A= 25°C

Bus Supply Voltage Range,

(V_BAT) ......................... -13.5 V to 27 V

Logic Supply Voltage Range,

FEATURES AND BENEFITS

(V_CC)............................ -0.3 V to 9.0 V

Input Voltage Range,

■ Over-Voltage Protection

(V_BUS) ........................... -3.0 V to 24 V

Operating Temperature Range,

T_A............................... -40°C to +85°C

Junction Temperature Range,

T_J................................ -40°C to 150°C

Storage Temperature Range,

■ Diode Isolation from both Ground and Supply

■ Reverse-Battery Protection

■ Low Supply Current

■ High Noise Immunity

■ Output Current Limiting

■ Low Standby Current—24 mA Max.

■ Open-Ground Protection

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

■ Under-Voltage Lockout

12 3 4

中文翻译

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