Description The DRV8837 provides an integrated motor-driver solution for cameras, consumer products, toys, and other low-voltage or battery-powered motion-control applications. The device has one H-bridge driver, and can drive one dc motor or one winding of a stepper motor, as well as other devices like solenoids. The output driver block consists of N-channel power MOSFETs […]
TI puts 1.8A brushed DC motor driver in 2mm package Read More »
As EDN’s Design Ideas editor, I see a range of design submissions, from good, to not so good. A recent DI I turned down for several reasons included a high-side current sense circuit with implementation problems. This got me thinking about the different ways to accomplish current sensing on a voltage rail. At their heart,
Quantum dots shrink on-chip lasers to 1μm Read More »
Introduction During the development of my electronic projects, I sometimes need to develop a graphical user interface (GUI) that talks using serial communication with the devices I create. In the past, I usually chose to develop those interfaces in C# and using the .Net Framework; framework which allows a rapid development, offers great ways to customize the interface (for
Chrome Apps and serial port communication Read More »
These cheap RF modules usually come in a pair, with one transmitter and one receiver. A pair can be bought on ebay for as cheap as $4, and even as cheap as $2 a pair if you buy 10 pairs. Much of the information on the internet from people’s projects is sketchy and not very
How to do serial comms using the cheap RF 433/315 MHz modules Read More »
Features Complete Step-Down Switch Mode Power Supply Wide Input Voltage Range: 3.4V to 40V Wide Output Voltage Range: 0.97V to 15V 3.5A Continuous Output Current, 6A Peak Parallelable for Increased Output Current Selectable Switching Frequency: 200kHz to 3MHz External Synchronization Programmable Soft-Start Tiny, Low Profile 6.25mm × 9mm × 3.32mm RoHS Compliant BGA Package Description The
LTM8053 – 40VIN, 3.5A/6A Step-Down Module Regulator Read More »
Description The Intersil ISL32600E, ISL32601E, ISL32602E and ISL32603E are ±15kV IEC61000 ESD protected, micro power, wide supply range transceivers for differential communication. The ISL32600E and ISL32601E operate with VCC ≥ 2.7V and have maximum supply currents as low as 100µA with both the transmitter (Tx) and receiver (Rx) enabled. The ISL32602E and ISL32603E operate with
Intersil has RS-485 transceiver running off 1.8V Read More »
A well known power supply circuit is the capacitance multiplier. It doesn’t regulate, but instead reduces ripple & noise while the output tracks at some fraction of the input voltage. The R1/R2 voltage divider determines VOUT (a VBE below VB), and must be chosen to account for the maximum ripple on the minimum VIN.
LM317 smooths but doesn’t regulate Read More »
The Si2178/58/48/38/28 is Silicon Labs’ fourth-generation hybrid TV tuner family supporting all worldwide terrestrial and cable TV standards. Requiring no external balun, SAW filters, wirewound inductors or LNAs, the Si21x8 offers the lowest-cost BOM for analog, digital and hybrid TV tuners, with or without a demodulator. Also included are an integrated power-on reset circuit and an option
Analogue TV still huge for chip makers Read More »
Digital Humidity Sensor SHTW2 (WLCSP) Simplicity Meets Proven Performance The SHTW2 is Sensirion’s 2nd generation WLCSP (wafer-level chip-scale package) humidity sensor, offering a complete digital humidity and temperature sensor system in a package so tiny that it fits into virtually any application. The SHTW2 comes in a flip chip package, which is an established technology
New Ultra-Small Digital Humidity Sensor: Simplicity Meets Proven Performance Read More »
Wireless Fidelity or “Wi-Fi” plays a major role in today’s communications by enabling constant connection in the 2.4 GHz and 5 GHz bands and broadband Internet access for users with laptops or devices equipped with wireless network interface while roaming within the range of fixed access points (AP) or a public hotspot. The BFx840xESD product
Infineon has transistor for superfast Wi-Fi Read More »
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