# BQ24450 - Texas Instruments Battery Charge Controller IC

## Product Summary

The Texas Instruments BQ24450 is a standalone integrated charge controller designed for valve-regulated lead-acid batteries. It regulates both voltage and current during charging.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | BQ24450 |
| Manufacturer | Texas Instruments |
| Product Type | Battery Charge Controller IC |
| Category | Uncategorized |
| Subcategory | Integrated Charge Controller |
| Package | SOIC (DW) |

## Description

The BQ24450 from Texas Instruments is an integrated charge controller specifically designed for optimally charging valve-regulated lead-acid batteries. It controls both charging current and voltage to safely and efficiently charge the battery, thereby maximizing its capacity and lifespan. The device can be configured as a simple constant-voltage float charge controller or a dual-voltage float-cum-boost charge controller.

Key features include a precision temperature-compensated voltage reference that tracks lead-acid cell characteristics, ensuring optimum charging voltage over an extended temperature range without external components. The IC supports a wide range of battery capacities and charging currents, limited only by the external pass transistor selection. The driver for the external pass transistor supports both NPN and PNP types and provides at least 25mA of base drive.

The BQ24450 is available in a 16-pin SOIC (DW) package. Its applications include emergency lighting systems, security and alarm systems, telecommunication backup power, and uninterruptible power supplies.

This controller operates with an input voltage range of 5V to 40V and supports battery charge voltages from 0V to 20V, with a maximum charge current of 10A. The operating temperature range is -40°C to 70°C.

## Key Specifications

| Specification | Value |
| --- | --- |
| SVHC Present | Not Present |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 3 |
| Price | $1.20 |
| Pricing Available | Yes |

## Estimated Pricing

| Quantity | Price Range |
| ---: | ---: |
| 1+ | $1.20 |

Estimated pricing is for guidance only and is not a live distributor offer.

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Hybrid Electronics | 3 |  |  |  |  |

## Features

- Integrated charge controller for lead-acid batteries.
- Regulates both voltage and current during charging.
- Precision temperature-compensated voltage reference.
- Supports 1-16 series lead-acid cells.
- Available in 16-pin SOIC (DW) package.

## Applications

- Used in lead-acid battery charging systems.
- Suitable for automotive and industrial backup power.
- Ideal for standalone battery charger designs.
- Can be used in solar charge controllers.
- Works in temperature ranges -40°C to 70°C.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |
| SVHC Present | Not Present |

## Documents and Media

- Datasheet: https://static.distyparts.com/disty-files/datasheets/82/d2/03/BQ24450
- Image: https://static.distyparts.com/disty-files/images/ec/2e/ce/dw0016a.png
- Product Page: https://distyparts.com/product/bq24450
- RFQ URL: https://distyparts.com/product/bq24450#rfq

## FAQs

### What is the input voltage range of the BQ24450?

The input voltage range is 5V to 40V (absolute maximum 40V).

### What package does the BQ24450 come in?

It is available in an SOIC (DW) package measuring 10.3mm x 10.3mm.

### What is the operating temperature range?

-40°C to 70°C.

### What is the maximum charge current?

10A.

### What is the battery charge voltage range?

0V to 20V.

### How many series lead-acid cells does it support?

1 to 16 cells.

### What control interface does the BQ24450 use?

Standalone RC-settable control interface.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/texas-instruments
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/bq24450
- Markdown File: https://distyparts.com/product/bq24450.md
- TXT File: https://distyparts.com/product/bq24450.txt