| Allicdata Part #: | BQ24008PWPR-ND |
| Manufacturer Part#: |
BQ24008PWPR |
| Price: | $ 1.37 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC LI-ION CHARGE MGMT 20-HTSSOP |
| More Detail: | Charger IC Lithium-Ion 20-HTSSOP |
| DataSheet: |  BQ24008PWPR Datasheet/PDF |
| Quantity: | 1000 |
| 2000 +: | $ 1.23842 |
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Battery Chemistry: | Lithium-Ion |
| Number of Cells: | 1 |
| Current - Charging: | Constant |
| Programmable Features: | Current, Timer |
| Fault Protection: | Over Temperature |
| Charge Current - Max: | 1.2A |
| Battery Pack Voltage: | 4.2V |
| Voltage - Supply (Max): | 10V |
| Interface: | -- |
| Operating Temperature: | -40°C ~ 70°C (TA) |
| Package / Case: | 20-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package: | 20-HTSSOP |
| Base Part Number: | BQ24008 |
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The BQ24008PWPR can be used in a variety of portable applications due to its highly integrated features. The Integrated P-Channel MOSFET and N-Channel MOSFET allow for easy implementation of the power path. The device also features a two bit dedicated input pins which can be programmed for either Fast-Charge or Terminate mode. The device also has output voltage capability of up to 4.2 V and current capability of up to 2 A.
The BQ24008PWPR is classified as a PMIC – Battery Chargers and the main role of this device is to efficiently control and transfer power to a battery in most applications. Through the use of the integrated P-Channel and N-Channel MOSFETs, the BQ24008PWPR can effectively manage the current that is passed to the battery for charging. The device also has various protection mechanisms such as Under Voltage Lock Out, Over Voltage Protection, and Thermal Shutdown, to ensure the system’s safety.
The BQ24008PWPR features a 3-phase Control Scheme. The 3-phase Control Scheme is a combined buck converter and peak-current-mode PWM converter that controls the output current. This control scheme allows the device to operate in either constant voltage regulation or constant current regulation depending on the load requirements. The 3-phase control reduces input ripple current, leading to a reduction in power dissipation and improved system efficiency.
The BQ24008PWPR also includes a USB adapter and a separate power switch to provide an efficient and reliable power supply. The USB adapter and the power switch can be connected to the device to supply power to the device. The device also has various input current sources such as an adapter, a wall-plug and a battery. The device is enabled by a power button and is disabled when the power is removed. The device also includes an internal voltage regulation loop with a user programmable current-limit protection.
In summary, the BQ24008PWPR is an integrated switching regulator and is capable of providing up to 2 A of continuous output current while also offering a variety of protection features. Through the use of the integrated P-Channel and N-Channel MOSFETs and the 3-phase control scheme, the device is able to effectively manage current and offer improved system efficiency. The device is particularly suitable for portable applications, offering an integrated USB adapter and separate power switch for efficient and reliable power supply.
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