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Infineon Technologies BTS7960B
- Part No.:
- BTS7960B
- Manufacturer:
- Infineon Technologies
- Category:
- Full Half-Bridge (H Bridge) Drivers
- Package:
- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
- Datasheet:
-
BTS7960B.pdf
- Description:
- IC HALF BRIDGE DRVR 40A TO263-7
- Quantity:
- Payment:
- Shipping:
Inventory:3,527
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Product details
Overview
BTS7960B from Infineon Technologies is a fully integrated high-current PN half-bridge IC for automotive motor drive applications, combining one p-channel high-side MOSFET (7 mΩ), one n-channel low-side MOSFET (9 mΩ), and an integrated driver IC in a single P-TO-263-7 package. It delivers 43 A typical current limit, supports PWM up to 25 kHz, and features logic-level inputs, current-sense diagnosis, adjustable slew rate, dead-time generation, and comprehensive protection including overtemperature latch, overvoltage lockout, and short-circuit shutdown.
For engineers reviewing the BTS7960B datasheet, BTS7960B pinout, BTS7960B application, or BTS7960B equivalent, this device is selected for protected DC motor control where charge-pump elimination (via p-channel HS), low board space, and diagnostic feedback are critical - especially in automotive HVAC blowers, power seat actuators, and electric power steering auxiliary drives.
Technical Context
The BTS7960B implements a monolithic NovalithIC™ architecture with three die-HS p-MOSFET, LS n-MOSFET, and driver IC-mounted on a common leadframe using chip-on-chip and chip-by-chip technology. Its p-channel high-side eliminates external charge pump circuitry, reducing EMI and simplifying layout.
Control logic includes dual-input interface (IN/INH), programmable slew rate via external resistor at SR pin, automatic dead-time insertion between HS/LS switching, and real-time current sensing through IS pin with proportional analog output (1:2000). Protection functions operate autonomously without MCU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Continuous Current Limit | 43 A typical - sets maximum safe load current before active current limiting engages |
| High-Side RDS(on) | 7 mΩ @ Tj = 25°C - enables low conduction loss in high-side path without charge pump |
| Low-Side RDS(on) | 9 mΩ @ Tj = 25°C - complements HS MOSFET for balanced half-bridge conduction efficiency |
| PWM Frequency Support | Up to 25 kHz - allows smooth torque control in brushed DC motors while maintaining thermal margin |
| Quiescent Supply Current | 7 µA typical in sleep mode (INH = low) - minimizes battery drain in always-on vehicle systems |
| Current Sense Ratio | 1:2000 - provides accurate, isolated analog current feedback for closed-loop motor control |
| Operating Voltage Range | 5.5 V to 27.5 V - supports full 12 V automotive battery range including cold-crank and load-dump transients |
Pinout & Package
Package: P-TO-263-7 (surface-mount, exposed thermal pad, 7-pin outline).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 GND | Power Ground Reference | Common return path for driver logic, sense circuitry, and power stage source terminals |
| 2 IN | Digital Input Control | Logic-level signal selecting HS or LS activation per truth table; compatible with 3.3 V/5 V MCUs |
| 3 INH | Inhibit Enable | Active-low enable: pulls device into ultra-low-power sleep mode (<15 µA) when held low |
| 4 & 8 OUT | Half-Bridge Output Node | Joined high-current power terminals delivering switched voltage to motor winding or load |
| 5 SR | Slew Rate Adjustment | External resistor to GND sets dV/dt of HS/LS switching - directly tunes EMI and voltage overshoot |
| 6 IS | Analog Current Sense | Proportional output (ILOAD/2000) for real-time current monitoring and fault detection |
| 7 VS | Main Power Supply | Input for battery rail (5.5–27.5 V); powers both power stages and integrated driver circuitry |
Key Features
| Feature | Design Value |
|---|---|
| Integrated p-channel HS + n-channel LS | Eliminates external charge pump, reduces component count, and lowers system EMI emissions |
| Adjustable slew rate via SR pin | Enables optimization of switching speed vs. EMI trade-off without changing PCB layout |
| Status flag with current sense (IS pin) | Provides continuous analog current feedback and digital fault indication for robust diagnostics |
| Latched overtemperature protection | Shuts down and holds off until INH reset - prevents thermal runaway during sustained overload |
| Independent UV/OV/SC/OT protections | All protections operate autonomously; no firmware dependency required for fail-safe operation |
Applications
| Automotive HVAC Blower Control | Power Seat Linear Actuator Drive |
|---|---|
|
Use Scenario: Variable-speed DC blower motor in climate control system, operating across battery voltage fluctuations and ambient temperatures from −40°C to +105°C. IC Role / Device Role / Timing Role: Half-bridge power stage controlling motor direction and speed via PWM; handles bidirectional current flow during freewheeling. Use Value: Integrated current sense enables stall detection and soft-start ramping; latched OT protection prevents damage during duct blockage events. |
Use Scenario: High-torque linear actuator moving vehicle seat position under mechanical load, requiring precise current-controlled acceleration/deceleration. IC Role / Device Role / Timing Role: Bidirectional motor driver executing position commands from body control module; manages regenerative energy during deceleration. Use Value: 43 A current limit ensures reliable motion under peak load; slew rate tuning suppresses EMI near sensitive infotainment receivers. |
| Electric Power Steering Auxiliary Pump | Off-Road Vehicle Winch Controller |
|
Use Scenario: 12 V auxiliary hydraulic pump supporting EPS assist function during high-steering-angle maneuvers at low engine RPM. IC Role / Device Role / Timing Role: High-efficiency half-bridge delivering pulsed power to brush-type pump motor; operates continuously under elevated junction temperature. Use Value: 7 mΩ HS + 9 mΩ LS RDS(on) minimizes conduction loss at 30 A average load; wide 5.5–27.5 V range accommodates alternator ripple and cranking dips. |
Use Scenario: Heavy-duty winch motor control in utility vehicles, subject to intermittent 100 A surge currents and harsh vibration environments. IC Role / Device Role / Timing Role: Robust half-bridge enabling controlled pull-in and controlled release via directional PWM; withstands reverse battery and load dump transients. Use Value: Overvoltage lockout (45 V max) and short-circuit protection prevent failure during cable shorting or drum jamming; P-TO-263-7 package ensures mechanical reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current half-bridge motor drive applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STSPIN840 | Integrated 3-phase gate driver + external MOSFETs; no built-in power FETs; lower current rating (10 A) | Requires discrete HS/LS MOSFET selection and layout; suited for compact BLDC designs, not high-current brushed loads | Select only if system requires multi-phase commutation and external FET flexibility |
| TPS2810D | High-speed dual MOSFET driver only; no power switches, no protection, no current sense | Demands full external power stage design and separate protection ICs; lacks diagnostic capability | Choose only for custom high-frequency (>100 kHz) synchronous buck or resonant topologies |
Compared with STSPIN840 and TPS2810D, the BTS7960B offers a complete, protected, current-sensing half-bridge in one package - eliminating external FETs, charge pumps, and protection components - making it optimal for cost-sensitive, space-constrained 12 V brushed motor applications demanding functional safety compliance.
Availability
BTS7960B is available at Aetrix Electronics and suitable for automotive HVAC systems, power seat modules, and electric power steering auxiliary drives requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for BTS7960B includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and qualification infrastructure.
The BTS7960B belongs to Infineon's NovalithIC™ family - designed specifically for highly integrated, protected, high-current motor drive solutions in automotive and industrial environments where reliability, compactness, and autonomous protection are mandatory.
FAQ
What is the purpose of the SR pin on the BTS7960B?
The SR (Slew Rate) pin accepts an external resistor to ground that directly controls the turn-on and turn-off speed of both high-side and low-side MOSFETs. This adjustment reduces electromagnetic interference and voltage overshoot during switching transitions, allowing system-level EMI compliance without altering PCB layout or adding snubbers.
Does the BTS7960B require an external charge pump circuit?
No. The BTS7960B uses a p-channel MOSFET for the high-side switch, eliminating the need for an external charge pump. This simplifies design, reduces component count, improves reliability, and lowers radiated emissions compared to n-channel HS solutions requiring bootstrap or charge-pump circuits.
How does the current sense (IS) pin function in normal operation?
The IS pin outputs an analog voltage proportional to load current at a fixed ratio of 1:2000 (e.g., 20 A load → 10 mV output). It operates continuously during conduction and remains active during fault conditions, enabling real-time current monitoring, closed-loop speed/torque control, and overcurrent detection independent of microcontroller polling.
What happens during overtemperature shutdown?
When junction temperature exceeds 150°C, the BTS7960B triggers latched overtemperature protection: both power switches turn off and remain disabled until the INH pin is cycled low-then-high. This prevents thermal runaway and ensures safe recovery only after thermal conditions normalize and system reset is intentional.
BTS7960B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- NovalithIC™
- Package/Case:
- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Half Bridge
- Applications:
- DC Motors, General Purpose
- Interface:
- Logic
- Load Type:
- Inductive
- Technology:
- DMOS
- Rds On (Typ):
- 9mOhm LS, 7mOhm HS
- Current - Output / Channel:
- 40A
- Current - Peak Output:
- 60A
- Voltage - Supply:
- 5.5V ~ 27.5V
- Voltage - Load:
- 5.5V ~ 27.5V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Features:
- Latch Function, Slew Rate Controlled, Status Flag
- Fault Protection:
- Current Limiting, Over Temperature, Short Circuit, UVLO
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-TO263-7-1
BTS7960B FAQ
1.How can I place an order for BTS7960B through Aetrix?
Please submit a Request for Quotation (RFQ) for BTS7960B on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BTS7960B reliable?
The price and inventory of BTS7960B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BTS7960B is usually 5 days.
3.What payment methods are accepted for BTS7960B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BTS7960B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BTS7960B?
BTS7960B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BTS7960B order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BTS7960B?
For technical support, including BTS7960B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BTS7960B requirements.
6.How does Aetrix verify that BTS7960B is sourced from the original manufacturer or authorized distributors?
All BTS7960B products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BTS7960B meets industry standards.
7.What is the process for return or replacement of BTS7960B?
All BTS7960B units undergo pre-shipment inspection (PSI). If there is an issue with BTS7960B, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BTS7960B part is unused and in its original packaging.
Return procedure for BTS7960B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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