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TI BQ24770RUYR

Manufacturer
TI
MPN
BQ24770RUYR
LCSC Part #
C486064
Packaging
WQFN-28-EP(4x4)
Customer #
Key Attributes
NVDC Battery Charge Controller With System Power Monitor and Processor Hot Indicator
DatasheetTI BQ24770RUYR
RoHS Compliance1 documents available
In-Stock: 16
16 In stock, ships now
Minimum: 1Multiple: 1Sales Unit: Piece
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QtyUnit PriceTotal Amount
1+$ 2.2666$ 2.27
10+$ 2.2144$ 22.14
30+$ 2.1785$ 65.36
100+$ 2.1426$ 214.26
Standard Packaging3000/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Battery Management
ManufacturerTI
PackagingWQFN-28-EP(4x4)
Operating Temperature-20℃~+125℃
InterfaceSMBus
Quiescent Current600uA
0V Battery ChargeSupport
Operating Voltage4.5V~24V
Type of Battery-
FeaturesTrickle charging;Programmable charging current;Overcurrent Protection;Overvoltage protection;Soft-start;Under-voltage lockout
The Chip TypeCharging IC
Balance Current-
Charge Current - Max4.1A
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Introduction

AI Translation

The bq2477x is high-efficiency, synchronous, NVDC1 battery charge controllers, offering low component count for space-constraint, multi-chemistry battery charging applications.

The power path management allows the system to be regulated at battery voltage but does not drop below system minimum voltage (programmable). With this feature, the system keeps operating even when the battery is completely discharged or removed. The power path management allows the battery to provide supplement current to the system to keep the input supply from being overloaded.

The bq2477x provides drivers and power path management for N-channel ACFET and reverse blocking FET. The devices provides driver to control NVDC operation of external P-channel battery FET. It also drives high-side and low-side MOSFETs of the switching regulator.

The bq2477x monitors adapter current (IADP), battery charge/discharge current (IBAT) and system power (PMON). The flexibly programmed PROCHOT output goes directly to CPU for throttle back when needed.

Features

AI Translation
  • Host-controlled NVDC-1 1S-4S Battery Charge Controller with 4.5 - 24 V Input Range
  • Support SMBus (bq24770) and I2C (bq24773)
  • System Instant-on Operation with no Battery
  • Deeply Discharged Battery – Supplement Mode with Synchronous BATFET Control when Adaptor is fully loaded
  • Ultra Fast Input Current DPM at 100 μs
  • Ultra Low Quiescent Current of 600 μA and High PFM Light Load Efficiency >80% at 20 mA Load to Meet Energy Star and ErP Lot6
  • High Accuracy Power / Current Monitor for CPU Throttling
  • Comprehensive PROCHOT Profile
  • Input and Battery Current Monitor (IADP/IBAT)
  • System Power Monitor (PMON)
  • Programmable Input Current Limit, Charge Voltage, Charge Current and Minimum System Voltage Regulation
  • ±0.5% Charge Voltage (16 mV/step)
  • ±2% Input/charge Current (64 mA/step)
  • ±2% 40x Input / 16x Discharge / 20x Charge Current Monitor
  • Support Battery LEARN Function
  • High Integration
  • NMOS ACFET and RBFET Driver
  • PMOS battery FET Gate Driver
  • Internal Loop Compensation
  • Independent Comparator
  • Automatic Trickle Charge to Wake up Gas Gauge
  • 600kHz to 1.2MHz Programmable Switching Frequency

Applications

AI Translation
  • Ultrabook, Notebook, Detachable, and Tablet PC
  • Handheld Terminal
  • Industrial, Medical, Portable Equipment