AC-DC Systems Engineer Lead

Texas Instruments; Bengaluru; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

Texas Instruments in Bengaluru seeks a System Engineer to define, develop, and support high-performance flyback controller and GaN-based converter platforms for AC-DC power conversion. You will own the product definition and collaborate with IC design, test, and applications teams to drive design-in with customers.

The role emphasizes digitally assisted analog control for isolated and non-isolated power, advancing efficiency and reliability using GaN/SiC materials across industrial, home, and

Qualifications

• 5–10 years of experience in power electronics systems and AC-DC converter design, with flyback expertise.
• Proven ability to define and develop flyback controllers (fixed frequency, QR, DCM, CCM, ACF).
• Deep understanding of analog control loops, power stage design, current/voltage mode control, and loop compensation.
• Familiarity with system-level performance criteria including thermal design, EMI/EMC compliance, and surge/transient robustness.
• Excellent problem-solving skills in hardware and firmware environments.
• Strong knowledge of offline protection mechanisms (OVP, OCP, OTP) and fault handling.
• Experience mentoring junior engineers and leading cross-functional teams.
• Strong communication and documentation skills across global teams and customers.

Responsibilities

• Define advanced flyback controller architectures for AC-DC applications with cross-functional input.
• Translate market trends into differentiated product concepts and specs.
• Run system-level simulations (Simplis, PSIM, SPICE) to validate control, EMI, and dynamic response.
• Build and test PoC hardware for QR, DCM, CCM, active clamp, and synchronous rectification.
• Provide hands-on support for silicon validation and customer bring-up, including hardware debug.
• Collaborate with validation and applications teams to tune features like soft-start and fault handling.
• Create collateral: datasheets, app notes, guides, and training content.
• Support IC development flow with Design, Layout, Verification, and Test teams.
• Guide platform decisions on protection strategy, power stage design, and auxiliary circuitry.

Skills

Flyback topologies

Analog control loops

System-level design

EMI/EMC compliance

Thermal design

Leadership/mentoring

Cross-functional collaboration

Communication & documentation

Tools

SPICE

Simplis

PSIM

Job description

The High Voltage Products Business Line is focused on partnering with OEM and Tier1 customers to create and deliver cutting edge power converter solutions for USB-PD power delivery. Opportunities in USB-PD power conversion product development are rapidly expanding as the demand for compact, high-efficiency, and high-power solutions grows across consumer, industrial, and automotive segments.

The evolution of the USB-PD specification to support up to 240W is driving the need for advanced power conversion topologies—such as QR and ACF flyback—and the adoption of wide bandgap technologies like GaN to achieve higher power density and better thermal performance. There is also increasing demand for integrated solutions that combine USB-PD controllers, protection circuitry, and power stages into single, space-efficient packages.

These trends create significant opportunities for innovation in control algorithms, system protection, EMI mitigation, and digital configurability, enabling differentiation in performance, size, and cost for fast chargers, multi-port adapters, docking stations, and embedded USB-C power sources in devices such as monitors and networking gear.

Position Overview

The System Engineer – will play a critical role in defining, developing, and supporting high-performance Flyback controller and Converters (GaN integrated) platforms for AC-DC power conversion applications. This role demands a hands-on product definer capable of driving system-level innovation from concept to production. The engineer will own the new product definition, collaborate closely with IC design, test, and applications teams, and interact directly with customers to ensure successful adoption and design-in of flyback controllers in their power systems.

This position will focus on digitally assisted analog flyback control architectures for isolated and non-isolated AC-DC applications across segments like industrial, home appliances, building automation, metering, and auxiliary power in servers and telecom systems. The engineer will also drive efficiency, robustness, and performance improvements leveraging new topologies and wide bandgap technologies (e.g. GaN/SiC) to deliver high power density and compact designs.

Performance Objectives and Description of Duties

• Define advanced flyback controller IC architectures for AC-DC applications with input from Marketing, Design, Applications, and key customers.
• Translate market trends and customer pain points into differentiated product concepts and system-level requirements.
• Work on system-level simulations (e.g., Simplis, PSIM, SPICE) to validate control loop stability, EMI performance, dynamic response, and fault behavior.
• Build and test proof-of-concept hardware for validation of advanced topologies (QR, DCM, CCM) including active clamp flyback and synchronous rectification schemes.
• Provide hands-on support for internal silicon validation and customer system bring-up including hardware debug and failure analysis.
• Collaborate with validation and applications engineers to fine-tune features such as soft start, fault handling, and adaptive control.
• Own creation of key collateral including datasheets, application notes, design guides, and customer-facing training content.
• Support the IC development flow by working with design, layout, verification, and test teams to ensure specification compliance and system robustness.
• Guide platform-level decisions including protection strategy, power stage design, and auxiliary circuitry (start-up bias, driver strength, etc.).

Skills and Experience Required

• 5 – 10 years of experience in power electronics systems and AC-DC converter design, with specific expertise in flyback topologies.
• Proven ability to define and develop flyback controllers (fixed frequency, QR, DCM, CCM, ACF) from concept to release.
• Deep understanding of analog control loops, power stage design, current and voltage mode control, and loop compensation.
• Familiarity with system-level performance criteria including thermal design, EMI/EMC compliance, and surge/transient robustness.
• Excellent problem-solving skills in both hardware and firmware environments.
• Solid understanding of offline protection mechanisms such as OVP, OCP, OTP, and brown-in/brown-out handling.
• Experience leading or mentoring junior engineers and driving cross-functional collaboration.
• Strong communication and documentation skills for interaction across global teams and customers.

Preferred Qualifications

• Experience with UCC288xx, UCC287xx, or similar AC-DC flyback controllers.
• Prior work on 85–265V universal input systems with high efficiency and compact footprint goals.
• Background in system-level modeling, including behavioral modeling and mixed-signal simulation.
• Familiarity with standards and regulations: IEC61000, EN55022, Energy Star, DOE Level VI, etc.
• Understanding of PCB layout best practices for offline converters (e.g., creepage/clearance, thermal paths, EMI mitigation).
• Knowledge of digital control loop enhancements and programmable controller features (OTP/memory-based configuration).
• Exposure to interfacing flyback controllers with microcontrollers or PMICs for system-level power management.