Datasheet

ManualsBrandsINFINEON TECHNOLOGIES ManualsPMICsPMIC - ELCs High side PG SOT223 4

ISP 452

Page 1 of 10 2006-03-01

Smart Power High-Side-Switch

for Industrial Applications

Features

• Short-circuit protection

• Input protection

• Overtemperature protection with hysteresis

• Overload protection

• Overvoltage protection

• Switching inductive load

• Clamp of negative output voltage with inductive loads

• Undervoltage shutdown

• Maximum current internally limited

• Electrostatic discharge (ESD) protection

• Reverse battery protection

)

Package: PG-SOT 223

Type

Ordering code

ISP 452

SP000219823

Application

• µC compatible power switch for 12 V DC grounded loads for industrial applications

• All types of resistive, inductive and capacitive loads

• Replaces electromechanical relays and discrete circuits

General Description

• N channel vertical power FET with charge pump, ground referenced CMOS compatible input, monolithically

integrated in Smart SIPMOS

technology.

• Providing embedded protection functions.

)

With resistor R

GND

=150 Ω in GND connection, resistor in series with IN connections, reverse load current

limited by connected load.

Summary of content (10 pages)

PAGE 1
ISP 452 Smart Power High-Side-Switch for Industrial Applications Features • • • • • • • • • • • Short-circuit protection Input protection Overtemperature protection with hysteresis Overload protection Overvoltage protection Switching inductive load Clamp of negative output voltage with inductive loads Undervoltage shutdown Maximum current internally limited Electrostatic discharge (ESD) protection 1 Reverse battery protection ) 4 3 2 1 Package: PG-SOT 223 Type Ordering code ISP 452 SP000219823 Appl
PAGE 2
ISP 452 Block diagram + Vbb IN R Overvoltage Current Gate source protection limit protection 4 V Logic ESDDiode 3 Voltage Voltage Charge pump sensor Level shifter Limit for unclamped ind.
PAGE 3
ISP 452 Maximum Ratings at Tj = 25 °C unless otherwise specified Parameter Supply voltage Load current self-limited 2) Maximum input voltage Maximum input current Inductive load switch-off energy dissipation, single pulse IL = 0.5A, Tj, start = 150°C (not tested, specified by design) Load dump protection3) VLoadDump = UA + Vs RI=2 Ω , td=400ms, IN= low or high, UA = 13.
PAGE 4
ISP 452 Electrical Characteristics Parameter and Conditions Symbol min Values typ max --0.7 0.16 --- 0.2 0.4 -- Ω ton toff --- 60 60 100 150 µs dV /dton -- 2 4 V/µs -dV/dtoff -- 2 4 V/µs VIN VIN(T+) -3.0 -- --- Vbb 3.5 V V VIN(T-) 1.5 -- -- V ∆VIN(T) IIN(off) -10 0.5 -- -60 V µA IIN(on) 10 -- 100 µA RIN 1.5 2.8 3.5 kΩ at Tj = 25 °C, Vbb = 13.5V unless otherwise specified Load Switching Capabilities and Characteristics On-state resistance (pin 4 to 1) IL = 0.
PAGE 5
ISP 452 Parameter and Conditions Symbol at Tj = 25 °C, Vbb = 13.5V unless otherwise specified Operating Parameters 8 Operating voltage ) Undervoltage shutdown Undervoltage restart Tj =-40...+150°C Tj =-40...+150°C Tj =-40...+25°C Tj =+150°C Undervoltage restart of charge pumpe see diagram page 9 Undervoltage hysteresis ∆Vbb(under) = Vbb(u rst) - Vbb(under) Overvoltage shutdown Tj =-40...+150°C Overvoltage restart Tj =-40...+150°C Overvoltage hysteresis Tj =-40...
PAGE 6
ISP 452 Parameter and Conditions Symbol at Tj = 25 °C, Vbb = 13.5V unless otherwise specified Protection Functions Current limit (pin 4 to 1) Tj = 25°C Vbb = 20V Tj = -40...+150°C Overvoltage protection Ibb=4mA Tj =-40...+150°C Output clamp (ind. load switch off) at VOUT=Vbb-VON(CL), Ibb = 4mA Thermal overload trip temperature Thermal hysteresis Inductive load switch-off energy dissipation9) Tj, start = 150 °C, single pulse, IL = 0.
PAGE 7
ISP 452 Max. allowable power dissipation Ptot = f (TA,TSP) Current limit characteristic IL(SC) = f (Von); (Von see terms schematic below) Ptot [W] IL(SC) [A] 18 2 16 1.8 1.6 14 1.4 12 TSP 10 150°C 1.2 25°C 1 -40°C 8 0.8 6 0.6 4 0.4 TA 2 0.2 0 0 0 25 50 75 100 125 150 0 2 4 6 8 10 12 TA, TSP[°C] 14 Von [V] On state resistance (Vbb-pin to OUT-pin) RON = f (Tj); Vbb = 13.5 V; IL = 0.5 A Typ. input current IIN = f (VIN); Vbb = 13.5 V RON [Ω] IIN [µA] 50 0.
PAGE 8
ISP 452 Typ. operating current IGND = f (Tj); Vbb = 13.5 V; VIN = high Typ. overload current IL(lim) = f (t); Vbb = 13.5 V, no heatsink, Param.: Tjstart IGND [mA] IL(lim) [A] 0.8 1.4 0.7 1.2 0.6 1 0.5 0.8 +150°C 0.4 +25°C -40°C 0.6 0.3 0.4 0.2 0.2 0.1 0 0 -50 -25 0 25 50 75 100 125 150 -50 0 50 100 150 200 250 300 350 400 Tj [°C] t [ms] Typ. standby current Ibb(off) = f (Tj); Vbb = 13.5 V; VIN = low Short circuit current IL(SC) = f (Tj); Vbb = 13.
PAGE 9
ISP 452 Figure 6: Undervoltage restart of charge pumpe Typ. input turn on voltage threshold VIN(T+) = f (Tj); VIN(T+) [V] VON [V] 3 13V 2.5 2 V 1.5 bb(over) V 1 V V 0.5 V bb(o rs t) bb(u rs t) bb(u c p) bb(under) 0 -50 -25 0 25 50 75 100 125 150 Vbb [V] Tj [°C] Typ. on-state resistance (Vbb-Pin to Out-Pin) RON = f (Vbb,IL); IL=0.5A, Tj = 25°C charge pump starts at Vbb(ucp), about 5.6 V typ.
PAGE 10
ISP 452 Package: all dimensions in mm. PG-SOT 223: Published by Infineon Technologies AG, St.-Martin-Strasse 53, D-81541 München, Germany © Infineon Technologies AG 2001 All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. Terms of delivery and rights to technical change reserved.