Datasheet Texas Instruments BQ24745 — 数据表
| 制造商 | Texas Instruments |
| 系列 | BQ24745 |
具有输入电流检测比较器的SMBus控制的2级多化学电池充电器
数据表
SMBus-Controlled Multi-chemistry Battery Charger With Input Current datasheet
PDF, 1.8 Mb, 修订版: D, 档案已发布: Oct 5, 2011
从文件中提取
价格
状态
| BQ24745RHDR | BQ24745RHDRG4 | BQ24745RHDT | BQ24745RHDTG4 | |
|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | No | No |
打包
| BQ24745RHDR | BQ24745RHDRG4 | BQ24745RHDT | BQ24745RHDTG4 | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Pin | 28 | 28 | 28 | 28 |
| Package Type | RHD | RHD | RHD | RHD |
| Industry STD Term | VQFN | VQFN | VQFN | VQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N | S-PQFP-N | S-PQFP-N |
| Package QTY | 3000 | 3000 | 250 | 250 |
| Carrier | LARGE T&R | LARGE T&R | SMALL T&R | SMALL T&R |
| Device Marking | 24745 | 24745 | 24745 | 24745 |
| Width (mm) | 5 | 5 | 5 | 5 |
| Length (mm) | 5 | 5 | 5 | 5 |
| Thickness (mm) | .9 | .9 | .9 | .9 |
| Pitch (mm) | .5 | .5 | .5 | .5 |
| Max Height (mm) | 1 | 1 | 1 | 1 |
| Mechanical Data | 下载 | 下载 | 下载 | 下载 |
参数化
| Parameters / Models | BQ24745RHDR | BQ24745RHDRG4 | BQ24745RHDT | BQ24745RHDTG4 |
|---|---|---|---|---|
| Absolute Vin (safety rating)(Max)(, V | 30 | 30 | 30 | 30 |
| Battery Charge Voltage(Max), V | 24 | 24 | 24 | 24 |
| Cell Chemistry | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer |
| Charge Current(Max), A | 10 | 10 | 10 | 10 |
| Control Interface | SMBus | SMBus | SMBus | SMBus |
| Control Topology | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck |
| Number of Series Cells | 2,3,4 | 2,3,4 | 2,3,4 | 2,3,4 |
| Operating Vin(Max), V | 24 | 24 | 24 | 24 |
| Operating Vin(Min), V | 7 | 7 | 7 | 7 |
| Package Group | VQFN | VQFN | VQFN | VQFN |
| Package Size: mm2:W x L, PKG | 28VQFN: 25 mm2: 5 x 5(VQFN) | 28VQFN: 25 mm2: 5 x 5(VQFN) | 28VQFN: 25 mm2: 5 x 5(VQFN) | 28VQFN: 25 mm2: 5 x 5(VQFN) |
| Special Features | Power Path | Power Path | Power Path | Power Path |
| USB Feature | N/A | N/A | N/A | N/A |
生态计划
| BQ24745RHDR | BQ24745RHDRG4 | BQ24745RHDT | BQ24745RHDTG4 | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
应用须知
- How to Use bq24745 for Charging Single-Cell Li-Ion BatteryPDF, 195 Kb, 档案已发布: Nov 25, 2008
The bq24745 Evaluation Module (EVM) is designed for 2- to 4-cell notebook battery-charger applications. However, the bq24745 also supports single-cell, battery-charger applications. This application report describes how to change bq24745EVM components for meeting single-cell applications. One example for 5-V input, single-cell application was tested based on a modified bq24745EVM. - Li-ion battery-charger solutions for JEITA compliancePDF, 506 Kb, 档案已发布: Jan 29, 2010
- How to Review a Multicell Switching Charger SchematicPDF, 196 Kb, 档案已发布: Sep 21, 2011
This application report provides a checklist for reviewing a switching charger schematic and explains each item in the list. - Q1 2010 Issue Analog Applications JournalPDF, 2.6 Mb, 档案已发布: Jan 29, 2010
- Operating Fuel Gauge bq20z7x/8x/9x and SMBus-Like bq24745/47/65 ChargersPDF, 132 Kb, 档案已发布: Oct 6, 2009
The smart charger bq24747/765 is a high-efficiency, synchronous battery charger with an integrated input current comparator. This charger provides low component count for space constrained, multichemistry battery charging applications. SMBus input current, charge current, and input current digital-to-analog converters allow for very high regulation accuracies that the system power management micr
模型线
系列: BQ24745 (4)
制造商分类
- Semiconductors> Power Management> Battery Management Products> Battery Charger IC