The allegro acs712 provides economical and precise solutions for ac or dc current sensing in industrial, commercial, and communications systems. For proper battery charging and docking station operation, connect the ac adapter for the docking station. Usbc dual 4k docking station with power delivery 90w power supply easily add a fullsized keyboard and mouse, external hard drives, printers, webcams, and turn your laptop into a complete workstation. Selection guide part number acs712elctr05bt acs712elctr20at acs712elctr30at packing tape and reel, 3000 piecesreel tape and reel, 3000 piecesreel tape and reel, 3000 piecesreel the acs712 is provided in a small, surface mount soic8 package. Home sensors current related sensors current measuring sensor acs712elctr20at acs712t sop8 20a range hall effect current sensor. Usbc docking station with power delivery iogear s usbc docking station with power delivery is the perfect complement to your usb typec. Accessory usa ac adapter for ihome ih5 ih5b ipod station charger power supply cord. The setup was producing randomly measured numbers after 10 a. But if the current changes its direction, the sensitivity will be negative and the output of the acs712 decreases below vcc2. Pay attention to the polarity at the load end of the device. Typical applications include motor control, load detection and management, switchedmode power supplies, and overcurrent fault protection. Use this acs712elctr30at current sensor from allegro microsystems to ensure that proper levels of current are passing through your electronic device. Generic acs712 30a hall current sensor module share.
The filter pins on the board can be used to adjust the bandwidth 80khz default by connecting a capacitor. Monitoring ac current with arduino and acs712 page 3. Gud3c01 usbc dual 4k docking station with power delivery. These sensors are based on the allegro acs712elc chip. C selection guide part number packing t a c optimized range, i p a sensitivity, sens typ mva acs712elctr 05b t tape and reel, 3000 piecesreel 40 to 85 5 185 acs712elctr 20a t tape and reel, 3000 piecesreel 40 to 85 20 100 acs712elctr 30a t tape and reel, 3000 piecesreel 40 to. The terminals of the conductive path are electrically isolated from the signal leads pins. View datasheets, stock and pricing, or find other current sensors. Buy acs712elctr30at with extended same day shipping times. Tme has over 800 employees, who provide expert support at each stage of the ordering process our offer includes 300,000 electronic components from 950 producers since 1990, we have been expanding our operations dynamically and increasing our global potential.
Acs712elctr20at allegro microsystems pcb footprint. The terminals of the conductive path are electrically isolated from the signal leads pins 5 through 8. Our payment security system encrypts your information during transmission. I havent tried to unplug the dock power while running. Allegro microsystems acs712 provides economical and precise solutions for ac or dc current sensing in industrial, commercial, and communications systems. Compare pricing for allegro microsystems llc acs712elctr20at across 28 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. The current sensor is based on the acs172 current sensor, which can accurately detect ac or dc current. Allegro, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
I do not have a docking staion and the machine is new. The duty cycle of this pwm signal was determined according to a. The analog signal can be read via analog any i o port on the arduino. If you are connected as illustrated below, the output will raise. Every day, we send 5000 shipments and we ensure that they arrive in the shortest time available. This current sensor board is based on the allegro acs712elctr30a bidirectional halleffect current sensor chip that detects positive and negative flowing currents in. Microsoft is sending me a new ac cord for the adapter that charges the surface pro 3 directly via and magnetic connector, however i also have the sp3 docking station which uses the same ac power cord but a din style connector for the docking station itself. Acs712 30a current sensor uses hall effect while sensing current because of that it can be easily used in applications that require electronic isolation. Use this acs712elctr 30a t current sensor from allegro microsystems to ensure that proper levels of current are passing through your electronic device.
Acs712elctr30at by allegro microsystems current sensors. Main car audio dvd motherboards mobile phones monitors laptops printers tablets tvs datasheets marking smd forum. There are ways to speed it up, here is an archived thread about that. But in the past versions like a31 types it would just revert to laptop mode and the pc would continue to run. Ac power cord replacement for docking station microsoft.
Lg534ua for samsung print products, enter the mc or. Datasheets acs712, acs712elctr05bt, acs712elctr20at, acs712elctr30at. Hp advanced wireless docking station specifications hp. The basic functional operation of each of these devices is identical. Acs712elctr 30a t tape and reel, 3000 piecesreel 40 to 85 30 66 contact allegro for additional packing options. Datasheets acs712, acs712elctr05bt, acs712elctr20at. Easily measure the flow of current in an electric circuit with this acs712elctr20at current sensor from allegro microsystems. This current sensor board is based on the allegro acs712elctr20a bidirectional halleffect current sensor chip that detects positive and negative flowing currents in. Hello, i have a surface pro 3 and i have a model involved with the ac power cord recall. Yes it didnt power anything in the dock, but the system kept going. If the current flow is in positive direction from pins 1 and 2 to pins 3 and 4, the sensitivity of the device is positive, and the acs712 output voltage rises above vcc2. Halleffect linear current sensor with overcurrent fault. Figure 5 grid independent charging station power flow.
The acs712 is provided in a small surfacemount soic8 package. However, i dont think this is a fault with the code and rather a problem with the sensor. Acs712elctr20at acs712t sop8 20a range hall effect. The acs712 current sensors offered on the internet are designed to be easily used with micro controllers like the arduino. Its output is proportional to current flowing through input terminal. Acs712elctr20at pdf documentation language en size 0. Fully integrated, hall effectbased linear current sensor with 2. Internally, the device is pbfree, except for flipchip hightemperature pbbased solder balls, currently exempt from rohs. Chip acs712elc05a acs712elc10a acs712elc30a acs712 module pin outs and connections the picture below identifies the pin outs for the acs172 modules. Allegro acs712elctr20at current sensor 20a 5v lot of 6. Fully integrated, halleffectbased linear current sensor. Add to cart add to cart add to cart add to cart customer rating.
Implementing the design with a ct to step the 30 a down before the acs712 should fix this. The battery storage system is divided into a charging station and a discharging. But sensor output voltage is not liner for input current. The device package allows for easy implementation by the customer. With the help of the datasheet the optimal burden resistor for the circuit can be determined. Also, i notice that the little indicator on the battery icon in the notification area isnt coming on when i.
Acs712elctr30at, fully integrated, hall effectbased linear current sensor with 2. Acs712elctr05bt inventory, pricing, datasheets from authorized distributors at ecia. This part has a minimum operating temperature of 40 c and a maximum of 85 c. A brief overview of allegro acs712 current sensor part 2. I want to measure ac current using acs712 current sensor. Acs712elctr20at allegro microsystems llc datasheet and. Acs712 current sensor ic allegro microsystems digikey. Acs712elctr 30a t tape and reel, 3000 piecesreel 40 to 85 30. This device has a minimum operating supply voltage of 4. The sensor can even measure high ac mains current and is still isolated from the measuring part due to integrated hall sensor. The leadframe is plated with 100 percent matte tin, which is compatible with standard lead pb free printed circuit board assembly processes. These current sensors are offered with full scale values of 5a, 20a and 30a. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, overcurrent protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc.