BQ24703PWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The BQ24703PWG4 is a multi-cell lithium-ion battery charge controller IC from Texas Instruments. It supports adjustable charge voltage and current with a 2.5V reference and up to 7.1mA gate drive, housed in a 24-pin TSSOP package. Available in tube packaging for flexible production needs worldwide.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- BQ24703PWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Adjustable charge voltage and current thresholds for versatile multi-cell Li-Ion and Li-Polymer battery charging
- 3-channel control architecture supporting system power path management alongside battery charging
- Compact 24-pin TSSOP package enabling high-density PCB layouts in laptop and portable computing designs
- 2.5V precision reference enables accurate charge termination and regulation for improved battery cycle life
Applications
The BQ24703PWG4 is designed for use in laptop computers, portable workstations, and industrial handheld devices where multi-cell lithium-ion battery charging is required. It manages charge current, charge voltage, and system power simultaneously, making it suitable for smart battery charging systems. This IC is also applicable in medical portable equipment and high-capacity battery-powered tools requiring precision charging control.
Specifications
| YTEOL | 0 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | R-PDSO-G24 |
| JESD-609 Code | e4 |
| Number of Channels | 3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP24,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 6mA |
| Supply Voltage-Max (Vsup) | 28V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 18V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for BQ24703PWG4:
Texas Instruments Adjustable, 3 Channel, PDSO24
Texas Instruments Adjustable, 3 Channel, PDSO24
Frequently Asked Questions
What is the BQ24703PWG4 and what battery chemistries does it support?
The BQ24703PWG4 is a host-controlled battery charge controller IC from Texas Instruments designed primarily for lithium-ion and lithium-polymer battery chemistries. It supports adjustable charge voltage via an external SMBus host, allowing charge voltage programming for single or multi-cell configurations, with a 2.5V internal reference for regulation accuracy.
What are the key electrical specifications of the BQ24703PWG4?
The BQ24703PWG4 features a 2.5V reference voltage, 7.1mA maximum gate drive current for external MOSFETs, adjustable charge current and voltage thresholds, and supports 3-channel control. It is packaged in a 24-pin TSSOP with 0.25-inch body width, uses plastic/epoxy body material, and carries JESD-609 e4 lead-free designation.
What package does the BQ24703PWG4 come in and how is it supplied?
The BQ24703PWG4 is supplied in a 24-pin TSSOP (Thin Shrink Small Outline Package) with a 0.25-inch body width, in tube packaging indicated by the G4 suffix. This is suitable for manual or low-volume automated assembly. A tape-and-reel version may be available for high-volume production use.
What applications is the BQ24703PWG4 most commonly used in?
The BQ24703PWG4 is most commonly used in laptop computers, docking stations, portable industrial equipment, and other multi-cell lithium-ion battery-powered systems. Its SMBus interface allows real-time communication with a system host processor for dynamic charge management, making it well-suited for smart battery systems that comply with the SMBus Battery Charger specification.
Is the BQ24703PWG4 RoHS compliant and lead-free?
Yes, the BQ24703PWG4 carries the JESD-609 code e4, indicating that it is a lead-free, RoHS-compliant device with a maximum reflow temperature compatible with standard lead-free soldering processes at 260°C. It is manufactured with a plastic/epoxy body and meets global environmental compliance requirements for markets including the European Union and Japan.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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