TLE7237SL Datasheet, PDF (4/36 Pages) Infineon Technologies AG – SPI Driver for Enhanced Relay Control

SPI Driver for Enhanced Relay Control
TLE7237SL
Overview
Table 1 Product Summary
Operating range power supply voltage
Digital supply voltage
Typical On-State resistance at 25 °C
high-side: 2 channels (Relay)
high-side: 2 channels (Generic, LED)
auto configuring: 2 channels (Relay, Supplies)
low-side: 2 channels (Relay)
Nominal load current (all channels active)
Relay
LED, Generic
Over load switch off threshold
Output leakage current per channel at 25 °C
Drain to source clamping voltage
Source to ground clamping voltage
SPI clock frequency
Protective Functions
• Over load and short circuit protection
• Thermal shutdown
• Electrostatic discharge protection (ESD)
V_bb
V_DD
R_DS(ON)
I_{L(nom, min)}
I_{DS(OVL, min)}
I_{DS(OFF, max)}
V_{DS(CL, min)}
V_{bb(CL, max)}
f_SCLK(max)
Diagnostic Functions
• Latched diagnostic information via SPI
• Open load detection in OFF-state
• Over load detection in ON-state
• Over temperature
Applications
• Especially designed for driving relays and LEDs in automotive applications
• All types of resistive and inductive loads
• Suitable to switch 5 V power supply lines by auto configuring channels
5.5 … 28 V
3.0 … 5.5 V
0.9 Ω
1.6 Ω
0.9 Ω
0.9 Ω
260 mA
130 mA
500 mA
1 µA
41 V
-40 V
5 MHz
Data Sheet
4
Rev. 1.0, 2010-02-18