Venkataraman Krishnamoorthy

Firmware Engineer

Bengaluru, Karnataka, India12 yrs 9 mos experience

Highly Stable

Key Highlights

10 years of experience in Firmware Development.
Lead inventor for Multiprotocol USB Adaptive Charging Patent.
Contributor to USB C/PD 3.0 Specification.

Stackforce AI infers this person is a Wireless Power and USB Technology expert with extensive firmware development experience.

Contact

Skills

Core Skills

Firmware DevelopmentWireless PowerUsb Power DeliveryQi Protocol DesignUsb TechnologyEmbedded Systems

Other Skills

Amplitude Shift KeyingApplication-Specific Integrated Circuits (ASIC)ArchitectureC (Programming Language)C++Device DriversEmbedded CEmbedded Software ProgrammingEthernet SwitchesEvent-Driven State MachineFrequency Shift KeyingInductive Wireless PowerMicrocontrollersPIC32 MicrocontrollersPolicy Management

About

✦ 10 years of experience in Firmware Development for full silicon flow(Pre silicon to Customer Enablement) and Windows Device driver development. ✦ Project Firmware Lead and Individual contributor of a Firmware team that works on Wireless Power, USB, USB Power Delivery, PCIe and Ethernet products ✦ Contributor to USB C/PD 3.0 Specification also part of USB Specification Work group ✦ Lead Inventor for Multiprotocol USB Adaptive Charging Patent – (Publication number: 20220326752)

Experience

Qualcomm

Staff Engineer

Apr 2024 – Present · 1 yr 11 mos · Chennai, Tamil Nadu, India · On-site

Wireless LAN - Protocol and MAC core firmware

Cypress semiconductor corporation

Staff Software Engineer

Oct 2021 – May 2024 · 2 yrs 7 mos · Bangalore Urban, Karnataka, India · Hybrid

Lead Firmware developer for High power Proprietary Wireless Power Receiver WLC1250, designed and developed physical layer and Protocol layer using custom event-based state machine as a modular library.
o Designed and Implemented Amplitude shift keying (ASK) using Bi-Phase mark coding encoder to communicate to power transmitter – Non-blocking encoding of packets onto the power signal.
o Designed and Implemented Frequency shift keying (FSK) Demodulator on AC Power Signal using general purpose PWM Counter and BMC decoder to decode raw data.
o Designed and Implemented Qi based Wireless Receiver protocol stack using event driven state machine.
Lead Firmware developer for High power Proprietary Wireless Power Transmitter WLC1150(MPA2 Coil), designed and developed input power delivery layer and wireless power delivery control system layer
o Designed and Implemented USB PD PPS Sink implementation to Inverter bridge.
o Designed and Implemented Duty and Frequency control of AC Power signal using proportional, Integral and derivative (Smart PID) control in firmware.
Lead Firmware developer for Qi based Wireless power transmitter WLC1115(MPA-11 Coil)
o Designed and developed Qi v1.3.2 Protocol additions for transmitter, implemented Object detection layer and Qi authentication protocol using auxiliary data channel.

Firmware DevelopmentWireless PowerProtocol Layer DesignEvent-Driven State MachineUSB Power DeliveryAmplitude Shift Keying+2

Microchip technology inc.

2 roles

Senior Firmware Engineer

Promoted

Jun 2018 – Nov 2021 · 3 yrs 5 mos

Developed firmware for USB PD Custom application(USB PD based MultiHost) and showcased the demo in Computex,Taipei 2018.
Firmware lead for USB Power Delivery development in USB 2 automotive hub. Developed PD Policy management layer as part of Power Delivery Stack
Firmware lead, Architect and Developer for USB Hub Libraries which included USB Layer, Peripheral layer(I2C,SPI) and Port Control Interface layer
Firmware project lead for next gen. Standalone USB Power Delivery Chip

Firmware DevelopmentUSB Power DeliveryPolicy ManagementUSB Hub Libraries

Software Engineer

Jul 2013 – Jun 2018 · 4 yrs 11 mos

Primary responsibilities include Development of Firmware using PIC32 Based Microcontrollers for 1588v2 Precision time protocol - Ethernet Switches
Firmware development for USB Battery Charging 1.2 Specification using Linear State machines and USB Port Control Interface Firmware development
Firmware Development - Handled various modules for USB 3.1 Gen 1 Type C Port based Hubs

Firmware DevelopmentPIC32 MicrocontrollersEthernet SwitchesUSB Battery ChargingEmbedded Systems