BQ24155EVM

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Evaluation and Demonstration Boards and Kits play an important role in product commercialization and custom development efforts. BQ24155EVM, an evaluation module based on Texas Instrument\'s bq24155 IC, is a full featured power management solution designed for battery-based portable applications and thermostatically controlled applications. It is capable to drive up to 1.5A of output current with up to 4 different settings for I2C / SMBus output current control with direct access to the IC for adjusting and resetting all interrupts, over voltage protection and other parameters. The module is designed to allow developers to easily test, verify and get feedback on peripheral power management related designs.

BQ24155EVM application field enables engineers to apply the module as a power management solution to reduce system component count and optimize time-to-market. This type of applications include: battery-based portable products; and thermostat applications. It also supports current management of algorithms used in any number of portable products. The BQ24155EVM package includes the hardware and software tools to quickly evaluate, optimize, and simulate power management performance and features.

In terms of BQ24155EVM working principle, extensive data communications is available via the I2C or SMBus, which interfaces with system host processor & digital signal processor. Evaluation of the product has been made easy with external connections and test points to allow isolated measurement of current and voltage conditions. It integrates multiple Power Cycle, Low Power Mode, Over Temperature Protection, and Reverse Boost into single chip solution. There are also connections for those who need external supply voltage sourcing or similar functions.

The hardware configuration of the module includes a power supply circuit with adjustable buck converter and charger, adjustable power switches, voltage comparator, battery emulator, and additional components. The software configuration of the module features various power cycle, low power mode, over temperature protection, and reverse boost settings, as well as current monitoring and testing functions. This allows developers to study and adjust the behaviour of the device and perform comprehensive tests based on their application demands.

In order to optimize performance and readability of the device, the BQ24155EVM uses the I2C / SMBus communications protocol. This allows developers to communicate with the device directly as well as access additional device parameters including fault conditions and other system health measures. This also helps to monitor the performance of the system since all readings are visible on the device screen.

Overall, BQ24155EVM by Texas Instruments is a full featured power management solution designed for battery-based portable applications and thermostatically controlled applications. It provides an efficient and easy to use platform for evaluation and testing of peripheral power management related designs. Various selection of power operation modes, temperature control, and current monitoring features greatly simplifies analyzing power management performance over a wide range of conditions.

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