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Other algorithms like cell balancing and fuel gauge can be implemented using a firmware logic. PSoC with its precision ADC (max 14 bits) - implemented using its analog blocks, PWM - implemented using its digital blocks and a processor core forms such a control loop required for regulation. This requires a control loop that involves measurement of the battery parameters (voltage, current, and temperature) and controlling the PWM duty cycle that drives the external power network. One of the basic tasks in the battery charger is the regulation of battery voltage and current without exceeding the temperature limits. Today typically the use case is a unidirectional power flow from the grid to the battery, but there is also a bidirectional use case like a battery to load or battery to grid.Ĭheck our recommended products and design solutions for the on-board charger and power conversion in energy storage systems. The trend towards fast charging also impacts the power range demanded, therefore new system designs trend towards 11 kW or even up to 22 kW. This supports a faster charging time and enables lighter cabling within the vehicle. 450 V with a trend towards higher voltages.

By increasing the battery capacity and the energy efficiency of the electric components, battery pack voltage tends to become standardized at approx. The system in cars is the on-board charging unit.

The battery charging system is built to recharge the high voltage battery from the AC grid. It also enables bidirectional information flow by including an error management unit with several inputs and outputs that are programmable on each TLE9012AQU. By means of its two isoUART interface pairs, it can support ring communication, therefore improving the availability of the system at a low cost. It is a battery monitoring transceiver IC designed for the connection of several TLE9012AQU devices in a daisy chain inside a Li-Ion battery. › Integrated UART communication for systems with a microcontroller on local groundįor a powerful combination, system designers can use TLE9015QU. › Integrated diagnosis capability eases customer battery module functional safety design › Best in class voltage measurement accuracy even after soldering due to stress sensor technology › Robust communication without the need for transformers or common-mode chokes In addition, TLE9012AQU provides the necessary diagnostic tools to ensure the proper function of the controlled battery. TLE9012AQU fulfills four main functions: cell voltage measurement, temperature measurement, cell balancing, and isolated communication to the main battery controller. The TLE9012AQU is a multi-channel battery monitoring and balancing system IC designed for Li-Ion battery packs used in automotive, industrial, and consumer applications.

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