Allicdata Part #: | BQ24751BEVM-ND |
Manufacturer Part#: |
BQ24751BEVM |
Price: | $ 0.00 |
Product Category: | Development Boards, Kits, Programmers |
Manufacturer: | Texas Instruments |
Short Description: | EVAL MODULE FOR BQ24751 |
More Detail: | BQ24751B Battery Charger Power Management Evaluati... |
DataSheet: | BQ24751BEVM Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Part Status: | Obsolete |
Type: | Power Management |
Function: | Battery Charger |
Embedded: | -- |
Utilized IC / Part: | BQ24751B |
Primary Attributes: | -- |
Supplied Contents: | Board(s) |
Secondary Attributes: | -- |
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Evaluation and Demonstration Boards and Kits are used to evaluate and demonstrate products such as BQ24751BEVM. BQ24751BEVM is a flyback switching regulator with integrated power MOSFET from Texas Instruments. It is used to apply fly back or forward topology to generate positive or negative output voltages. It offers high system integration with accurate monitoring of power, voltage and current limits to support efficient and reliable operation.
BQ24751BEVM\'s field of application is broad. It can be used in commercial and industrial applications as well as consumer equipment such as notebook computers, servers, LCD TVs, UPS, etc. It is suitable for high-power AC/DC adapters and DC/DC converters. It also features short circuit protection, over-voltage protection and over-current protection to ensure systems are highly protected.
Working Principle
The primary side of BQ24751BEVM flyback switching regulator, as the name suggests, includes an inductor and switch which operates in flyback mode. When the switch is closed, energy is stored in the inductor; when the switch is opened, energy is released from the inductor and stored in the output capacitor, and thus the output voltage rises. When the output voltage is higher than the feedback voltage from the secondary side, the primary switch will be closed again and the cycle repeats. The output voltage can be regulated by changing the on/off time of the primary switch.
BQ24751BEVM can also accept an external voltage for powering the primary side circuit and this is used by some applications. This helps ensure an appropriate output voltage and prevents the system from wasting energy by drawing only the power needed by the primary circuit. This efficiency allows for more efficient power systems since only the minimum amount of energy is used.
Features
BQ24751BEVM offers a number of features to its users which make it an ideal choice for efficient power system applications. It features adjustable feedback voltage, adjustable current sense voltage, wide input voltage range, output voltage of up to 60V at 1.5A, and over-current and short-circuit protection. It also has programmable peak current limit and over-voltage protection to prevent the system from going into an unsafe condition. Furthermore, BQ24751BEVM has very low standby current of 3uA and low quiescent current of only 12mA.
BQ24751BEVM also has an interesting feature called force PWM. Force PWM allows the user to set the voltage come to certain value by forcing the PWM to enter into PWM controlled mode. Moreover, it also allows for tracking mode, in which the output voltage follows an external voltage that is input to the device. This feature makes it relevant for efficiency sensitive applications.
Conclusion
In conclusion, BQ24751BEVM is a highly efficient and safe flyback switching regulator from Texas Instruments. Its ability to generate positive and negative outputs at high power levels make it an ideal choice for commercial, industrial, or consumer applications such as notebook computers, LCD TVs, UPS and servers. Its features such as adjustable feedback voltage, adjustable current sense voltage, over voltage and over current protection, wide input voltage range, low standby and quiescent current, and force PWM mode, make it a powerful and reliable choice for efficient power system applications.
The specific data is subject to PDF, and the above content is for reference
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