What is a railway lantern? A buyer's guide to professional railway safety lanterns and the patented, weight-balanced ATI RWLT101 — 15 Ah battery, up to 12 h runtime, side beam, USB output, SOS mode. Free PDF....(more)
Engineering comparison of thermoelectric coolers (TECs) and thermoelectric generators (TEGs): same physics, opposite mission. Covers Peltier vs Seebeck effects, TEC controller vs DC-DC converter selection, design equations (Qc = αTcI − ½RI² − KΔT for TEC; Voc = S·ΔT for TEG), MPPT operation, reliability clues (10% ACR end-of-life criterion), ATI TEC family selection (Regular / −H / ATE1-TC / ATE1-TCHE), and when to choose each technology....(more)
A comprehensive engineering guide to thermoelectric coolers (TECs/Peltier modules): physics, datasheet interpretation, module selection (Qmax 4–6× Qc rule, Goldilocks zone I/Imax 0.20–0.35), heat-sink design (Qh = Qc + Pin), controller pairing, and three worked examples covering laser diode stabilization, CCD cooling, and AI accelerator hotspot cooling using the ATI ATE1-127 series....(more)
Six-step methodology to choose a TEC controller: I_TEC/V_TEC matching, hybrid vs PWM vs linear topology, precision grades (D/DA/DAH), variant suffixes (-NT/-LD), ATI product families, and five worked application examples....(more)
Complete six-step methodology for designing a TEC cooling system: TEC module sizing from datasheet performance curves, heat-sink sizing for worst-case ambient, sensor placement, TEC mounting stack, and worst-case validation. Five worked OEM application examples....(more)
How to design and choose a heat sink for a TEC (Peltier) cooling system: why the hot side must reject Qhot = Qc + Pelectrical (2–5× the cold-side load), the RθSA sizing inequality, operating-point Thot,max vs absolute max, a six-step method, heat-sink types, fan and TIM selection, margin factors, and FAQ — from ATI white paper AWP-HS-01....(more)
ATI high-temperature TEC modules are rated to 200 °C surface temperature (vs 125 °C) for AI data center GPU and high-power IC cooling — about 2× the heat-sink-to-ambient driving force at 25 °C ambient and roughly +30% theoretical ΔTmax, letting a smaller, quieter heat sink carry the same heat load....(more)
What is a thermoelectric cooler (TEC)? A solid-state Peltier heat pump that cools, heats, or holds a precise setpoint — covering the Qc=αTcI−½RI²−KΔT physics, the four datasheet numbers, the Qh=Qc+Pin rule, module sizing, a 7-step design workflow, the ATI ecosystem, applications, and the full AW-TECM-01 white paper....(more)