BTS425L1 查看數據表（PDF） - Siemens AG

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BTS425L1

Smart Highside Power Switch

Siemens AG 

Parameter and Conditions

at Tj = 25 °C, Vbb = 12 V unless otherwise specified

Symbol

Protection Functions

Initial peak short circuit current limit (pin 3 to 5)

Tj =-40°C:

Tj =25°C:

Tj =+150°C:

Repetitive short circuit shutdown current limit

Tj = Tjt (see timing diagrams, page 9)

Thermal overload trip temperature

Thermal hysteresis

Reverse battery (pin 3 to 1) 9)

Reverse battery voltage drop (Vout > Vbb)

IL = -2 A

Tj=150 °C:

IL(SCp)

IL(SCr)

Tjt

∆Tjt

-Vbb

-VON(rev)

BTS 425 L1

Values

Unit

min typ max

27 37

20 30

12 18

-- 17

150

--

-- 10

--

--

-- 610

47 A

40

25

-- A

-- °C

-- K

32 V

-- mV

Diagnostic Characteristics

Open load detection current

(on-condition, )

Tj=-40 °C:

Tj=25..150°C:

Open load detection voltage10) (off-condition)

Tj=-40..150°C:

Internal output pull down

(pin 5 to 1), VOUT=5 V, Tj=-40..150°C

IL (OL)

VOUT(OL)

RO

150 600 950 mA

150 450 750

2

3

4V

4 10 30 kΩ

9) Requires 150 Ω resistor in GND connection. The reverse load current through the intrinsic drain-source

diode has to be limited by the connected load. Note that the power dissipation is higher compared to normal

operating conditions due to the voltage drop across the intrinsic drain-source diode. The temperature

protection is not active during reverse current operation! Input and Status currents have to be limited (see

max. ratings page 2 and circuit page 7).

10) External pull up resistor required for open load detection in off state.

Semiconductor Group

4

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