Tr i path Technol ogy, I nc. - Techni cal I nfor m ati on TPD2125 DUAL COMPLEMENTARY MOSFET DRIVER ADVANCED INFORMATION Revision 2.0 – December 2004 GENERAL DESCRIPTION The TPD2125 is a high-speed dual complimentary MOSFET driver. The TPD2125 converts CMOS or TTL inputs to gate signals suitable for driving a complimentary pair of MOSFETs in a dual half-bridge or single full-bridge configuration. When three TPD2125’s are mated with a TCD6000, the chipset is a six-channel, digital input, 75W (8Ω) per channel Amplifier. This stereo mosfet driver, when paired with a Class T controller, offers both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. Applications Features Switch-Mode Audio Power Amplifiers Complementary MOSFET driver Switch-Mode Power Supplies Programmable Break-Before-Make Low Power Consumption Output over-current protection Over-temperature protection 24-Pin TSSOP-EP Package Benefits Reduced system cost with smaller/less expensive power supply and heat sink Signal fidelity equal to high quality Class-AB amplifiers THD+N versus POWER 10 5 2 1 RL = 6Ω and 8Ω Vs = +58V f = 1kHz RBBM = 16.2KΩ BW = 22Hz - 20kHz(AES17) 0.5 % 0.2 0.1 0.05 0.02 0.01 0.006 2 1 5 10 20 W 50 100 200 300 TPD2125 – Rev. 2.0/CS/12.04