Product Summary

The BTS721L1 is a smart four channel highside power switch with charge pump, ground referenced CMOS compatible input and diagnostic feedback, monolithically integrated in Smart SIPMOS technology.

Parametrics

Maximum ratings: (1)Supply voltage (overvoltage protection),Vbb: 43 V; (2)Supply voltage for full short circuit protection Tj,start =-40 to +150℃, Vbb: 34 V; (3)Load current (Short-circuit current), IL: self-limited A; (4)Load dump protection2) VLoadDump = UA + Vs, UA = 13.5 V RI) = 2 Ω, td = 200 ms; IN= low or high, each channel loaded with RL = 4.7Ω, VLoad dump: 60 V; (5)Operating temperature range, Tj: -40 to +150℃; (6)Storage temperature range, Tstg: -55 to +150℃; (7)Power dissipation (DC), Ptot: 3.7W at Ta = 25℃; 1.9W at Ta = 85℃(all channels active); (8)Electrostatic discharge capability (ESD)(Human Body Model), VESD: 1.0 kV; (9)Input voltage (DC), VIN: -10 to +16 V; (10)Current through input pin (DC), IIN: ±2.0mA; (11)Current through status pin (DC), IST: ±5.0 mA; (12)Thermal resistance: junction - soldering point, each channel: Rthjs: 15 K/W; junction - ambient, one channel active: Rthja: 41K/W; all channels active: Rthja: 34K/W.

Features

Features: (1)Overload protection; (2)Current limitation; (3)Short-circuit protection; (4)Thermal shutdown; (5)Overvoltage protection(including load dump); (6)Fast demagnetization of inductive loads; (7)Reverse battery protection1); (8)Undervoltage and overvoltage shutdown with auto-restart and hysteresis; (9)Open drain diagnostic output; (10)Open load detection in ON-state; (11)CMOS compatible input; (12)Loss of ground and loss of Vbb protection; (13)Electrostatic discharge (ESD) protection.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
BTS721L1
BTS721L1
Infineon Technologies
Power Switch ICs - POE / LAN SMART 4-CH HI-SIDE PWR SWITCH
Data Sheet
0-650: $2.35
650-1000: $2.05
1000-2000: $1.97
BTS721L1T
BTS721L1T

IC SWITCH HI-SIDE 4-CH DSO-20
Data Sheet
Negotiable