BQ24078EVM-015
ActiveEVAL BOARD FOR BQ24078
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BQ24078EVM-015
ActiveEVAL BOARD FOR BQ24078
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Technical Specifications
Parameters and characteristics commom to parts in this series
| Specification | BQ24078EVM-015 | BQ24078 Series |
|---|---|---|
| Battery Chemistry | - | Lithium Ion |
| Battery Pack Voltage | - | 4.35 V |
| Charge Current - Max | - | 1.5 A |
| Current - Charging | - | Constant |
| Fault Protection | - | Reverse Current, Over Voltage, Over Temperature, Short Circuit |
| Function | Battery Charger | Battery Charger |
| Interface | - | USB |
| Mounting Type | - | Surface Mount |
| Number of Cells | - | 1 |
| Operating Temperature | - | 125 ¯C |
| Operating Temperature | - | -40 °C |
| Package / Case | - | 16-VFQFN Exposed Pad |
| Primary Attributes | Li-Ion / Li-Pol (1 Cell) | Li-Ion / Li-Pol (1 Cell) |
| Programmable Features | - | Current, Timer |
| Supplied Contents | Board(s) | Board(s) |
| Supplier Device Package | - | 16-VQFN (3x3) |
| Type | Power Management | Power Management |
| Utilized IC / Part | BQ24078 | BQ24078 |
| Voltage - Supply (Max) | - | 6.4 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| DigiKey | Bulk | 1 | $ 123.75 | |
| Digikey | Bulk | 1 | $ 118.80 | |
| Mouser Electronics | N/A | 1 | $ 118.80 | |
BQ24078 Series
Standalone 1-cell 1.5-A linear battery charger, Power Path and 4.35-V VBAT
| Part | Battery Pack Voltage | Voltage - Supply (Max) [Max] | Package / Case | Mounting Type | Fault Protection | Supplier Device Package | Operating Temperature [Max] | Operating Temperature [Min] | Interface | Battery Chemistry | Programmable Features | Charge Current - Max [Max] | Current - Charging | Number of Cells | Supplied Contents | Function | Type | Primary Attributes | Utilized IC / Part |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments BQ24078RGTR | 4.35 V | 6.4 V | 16-VFQFN Exposed Pad | Surface Mount | Over Temperature, Over Voltage, Reverse Current, Short Circuit | 16-VQFN (3x3) | 125 ¯C | -40 °C | USB | Lithium Ion | Current, Timer | 1.5 A | Constant | 1 | |||||
Texas Instruments BQ24078RGTT | 4.35 V | 6.4 V | 16-VFQFN Exposed Pad | Surface Mount | Over Temperature, Over Voltage, Reverse Current, Short Circuit | 16-VQFN (3x3) | 125 ¯C | -40 °C | USB | Lithium Ion | Current, Timer | 1.5 A | Constant | 1 | |||||
Texas Instruments BQ24078EVM-015 | Board(s) | Battery Charger | Power Management | Li-Ion / Li-Pol (1 Cell) | BQ24078 |
Description
General part information
BQ24078 Series
The bq2407x is a family of integrated Li-Ion battery linear chargers with system power path management functionality targeted at space-constrained portable applications. The devices operate from either a USB port or an AC adapter and support charge currents up to 1.5 A. The input voltage range with input overvoltage protection supports unregulated adapters. The USB input current limit accuracy and start up sequence allow the bq2407x to meet USB-IF inrush current specifications. Additionally, the input dynamic power management (VIN-DPM) prevents system crashes because of incorrectly configured USB sources and maximizes the power available from the adapter.
The bq2407x features dynamic power path management (DPPM) that powers the system while simultaneously and independently charging the battery. The DPPM circuit reduces the charge current when the input current limit causes the system output to fall to the DPPM threshold; thus, supplying the system load at all times while monitoring the charge current separately. This feature reduces the number of charge and discharge cycles on the battery, allows for proper charge termination and enables the system to run with a defective or absent battery pack.
Additionally, the regulated system input enables instant system turn-on when plugged in even with a totally discharged battery. The power-path management architecture also lets the battery supplement the system current requirements when the adapter cannot deliver the peak system currents, thus enabling the use of a smaller adapter.
Documents
Technical documentation and resources
No documents available