BD99950MUV

2 Cell / 3 Cell Narrow VDC Charger with SMBus Interface
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BD99950MUV

BD99950MUV
2 Cell / 3 Cell Narrow VDC Charger with SMBus Interface

The BD99950MUV is a high-efficiency, synchronous Narrow VDC system voltage regulator and battery charger controller. It has two charge pumps which separately drive N-channel MOSFETs for automatic system power source selection. Charge voltage, charge current, AC adapter current and minimum system voltage can be programmed through SMBus. With a small inductor, PWM switching frequency can also be programmed by SMBus up to 1.2MHz.

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* This is a standard-grade product.
For Automotive usage, please contact Sales.
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Product Detail

 
Part Number | BD99950MUV-E2
Status | Active
Package | VQFN20PV3535
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Supply Voltage(Min.)[V]

6

Supply Voltage(Max.)[V]

24

Charge Voltage [V]

8.4±0.5%

Operating Temperature (Min.)[°C]

-10

Operating Temperature (Max.)[°C]

85

Package Size [mm]

3.5x3.5 (t=1)

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Features:

  • N-channel MOSFETs available for Battery or
    Adapter Selection via Internal Charge Pumps
  • Fast DPM Transient Response under Turbo Mode (<100µs)
  • Linear Mode Trickle Charge via BGATE Charge Pump
  • Low Operating Current BGATE Charge Pump at 17µA (typical)
  • MLCC Output Capacitor
  • High Light Load Efficiency for Energy Star and ErP Lot6
  • Fast Load Current Transient Response under
    No Battery or Dead Battery conditions
  • NMOS-NMOS Synchronous Step-Down Controller
  • Programmable 600kHz-1.2MHz Switching Frequency
  • Programmable Charge Voltage (16mV resolution),
    Charger Current (64mA resolution),
    Input Current (64mA resolution),
    Minimum System Voltage (64mV resolution)
  • ±0.5% Charge Voltage Accuracy
  • ±3% Charge Current Accuracy
  • ±3% Input Current Accuracy
  • ±0.5% Minimum System Voltage Accuracy
  • ±2% 20x Input Current Amplifier Output Accuracy
  • Integrated Loop Compensation
  • Battery Learn Function
  • AC Adapter Operating Range : 6.0V to 24.0V
  • Off-State Battery Discharge Current at 15µA
  • 20pin 3.5mm×3.5mm QFN Package
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