BTS7970B Infineon Technologies, BTS7970B Datasheet
BTS7970B
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BTS7970B Summary of contents
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Product Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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High Current PN Half Bridge TM NovalithIC Product Summary The BTS 7970B is a fully integrated high current half bridge for motor drive applications part of the TM NovalithIC family containing one p-channel highside MOSFET and one n-channel ...
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Overview The BTS 7970B is part of the NovalithIC family containing three separate chips in one package: One p-channel highside MOSFET and one n-channel lowside MOSFET together with a driver IC, forming a fully integrated high current half-bridge. All ...
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Terms Following figure shows the terms used in this data sheet Figure 2 Terms Data Sheet I ...
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Pin Configuration 2.1 Pin Assignment Figure 3 Pin Assignment BTS 7970B and (top view) 2.2 Pin Definitions and Functions Pin Symbol 1 GND INH 4,8 OUT Bold type: Pin needs ...
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Maximum Ratings -40 °C < T < 150 °C (unless otherwise specified) j Pos Parameter Electrical Maximum Ratings 3.0.1 Supply voltage 3.0.2 Logic Input Voltage 3.0.3 HS/LS continuous drain current 3.0.4 HS pulsed drain current 3.0.5 LS pulsed drain ...
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Maximum Single Pulse Current 100 1,0E-03 Figure 4 BTS 7970B Maximum Single Pulse Current This diagram shows the maximum single pulse current that can be driven for a given t ...
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Block Description and Characteristics 4.1 Supply Characteristics T – 40 °C < < 150 ° < j Pos. Parameter General 4.1.1 Operating Voltage 4.1.2 Supply Current 4.1.3 Quiescent Current Figure 5 Quiescent Current (typ.) vs. Junction Temperature ...
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Power Stages The power stages of the BTS 7970B consist of a p-channel vertical DMOS transistor for the high side switch and a n-channel vertical DMOS transistor for the low side switch. All protection and diagnostic functions are located ...
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Power Stages - Static Characteristics – 40 °C < < 150 ° < Pos. Parameter High Side Switch - Static Characteristics 4.2.1 On state high side resistance 4.2.2 Leakage current high side 4.2.3 Reverse diode ...
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Switching Times dr(HS) r(HS) V OUT 90% 10% Figure 7 Definition of switching times high side ( (LS) f (LS) V OUT 90% 10% Figure 8 Definition of switching times low side ...
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Power Stages - Dynamic Characteristics -40 °C < T < 150 ° 13 Pos. Parameter HIgh Side Switch Dynamic Characteristics 4.2.7 Rise-time of HS 4.2.8 Slew rate HS on 4.2.9 Switch on delay ...
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T < 150 ° 13 Pos. Parameter Low Side Switch Dynamic Characteristics 4.2.13 Rise-time of LS 4.2.14 Slew rate LS switch off 4.2.15 Switch off delay time LS 4.2.16 Fall-time of ...
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Protection Functions The device provides integrated protection functions. These are designed to prevent IC destruction under fault conditions described in the data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are not to be used ...
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IN pin are ignored. However, the INH pin can still be used to switch both MOSFETs off. t After the switches return to their initial setting. The error signal at the IS pin is reset CLS t after 2 * ...
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High Side Switch -40° 25° CLH T = 150° Figure 11 Typical Current Limitation Detection Levels vs. Supply Voltage In combination ...
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Electrical Characteristics - Protection Functions T – 40 °C < < 150 ° < j Pos. Parameter Under Voltage Shut Down 4.3.1 Switch-ON voltage 4.3.2 Switch-OFF voltage 4.3.3 ON/OFF hysteresis Over Voltage Lock Out 4.3.4 Switch-ON voltage ...
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Control and Diagnostics 4.4.1 Input Circuit The control inputs IN and INH consist of TTL/CMOS compatible schmitt triggers with hysteresis which control the integrated gate drivers for the MOSFETs. Setting the INH pin to high enables the device. In ...
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Normal Operation: Current Sense Mode VS ESD- Load Sense Output I Logic IS(lim) Figure 12 Sense Current and Fault Current I [mA IS(lim) Figure 13 Sense Current vs. Load Current Data Sheet High Current ...
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Truth Table Device State Normal operation Over-voltage (OV) Under-voltage (UV) Overtemperature (OT) Current limitation 1) Will return to normal operation after t Inputs: Switches 0 = Logic LOW OFF = switched off 1 = Logic HIGH ON = switched ...
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Electrical Characteristics - Control and Diagnostics – 40 °C < T < 150 ° < j Pos. Parameter Control Inputs (IN and INH) 4.4.1 High level voltage INH, IN 4.4.2 Low level voltage INH, IN 4.4.3 Input ...
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Thermal Characteristics Pos Parameter 5.0.1 Thermal Resistance Junction-Case, Low Side Switch = ∆ thjc(LS) j(LS) 5.0.2 Thermal Resistance Junction-Case, High Side Switch = ∆ thjc(HS) j(HS) 5.0.3 Thermal Resistance Junction-Case, both Switches ...
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Application 6.1 Application Example Microcontroller µC Reset Vdd Vss I/O I/O I/O I/O I/O BTS 7970B INH Figure 14 Application Example: H-Bridge with two BTS 7970B 6.2 Layout Considerations Due to the fast switching times for ...
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Package Outlines P-TO-263-7 P-TO-263-7 (Plastic Transistor Single Outline Package) 0...0 0 1.27 1) Shear and punch direction no burrs this surface Back side, heatsink contour All metal sufaces tin plated, except area of cut ...
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Revision History Version Date Changes / Comments Rev. 0.1 2005-07-20 Target Data Sheet Rev. 1.0 2006-05-04 Preliminary Data Sheet Rev. 2.0 2006-05-09 Data Sheet Data Sheet High Current PN Half Bridge 25 BTS 7970B Revision History 2006-05-09 ...
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... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...
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... Published by Infineon Technologies AG ...