SY20745RBC

Silergy
SMBus Controlled 1-4 Cell Battery Charger Controller Supporting Boost Mode (Chinese Part Number: SY6915RBC)
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Технические характеристики

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Корпус QFN-20
Режим функционирования
Тип заряжаемого аккумулятора
Интерфейс данных
Максимальное входное напряжение
Выходное напряжение
Напряжение питания
Максимальный выходной ток
Примечание SMBus Controlled 1~4 Cell Battery Charger Controller Supporting Boost Mode
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Файлы 1

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Application Note: SY6915 SMBus Controlled 1-4 Cell Battery Charger Controller Supporting Boost Mode General Description Features The SY6915 is a high efficient, multi-cell battery charger controller supporting Boost mode. It allows the battery to discharge energy to the system when the system power demand is higher than the input capacity temporarily. Three internal DACs are used as the reference of the charge voltage, the charge current, and the input current limit. They can be programmed by the system using SMBus. The SY6915 can charge 1, 2, 3 and 4 cells battery pack and is available in QFN3.5x3.5-20 package to allow the small PCB footprint.  Ordering Information       SY6915 □(□□)□ Temperature Code Package Code Optional Spec Code Ordering Number SY6915RBC Package type QFN3.5x3.5-20 Note     Applications   Notebook and Sub-notebook   Battery Charger Cradle   Portable Equipment with Rechargeable Battery  Battery Back-up Systems        AN_SY6915 Rev0.9A © 2020 Silergy Corp. Input Voltage Range 4.5V to 25V SMBus Controlled Synchronous Buck Controller with 615kHz, 750kHz and 885kHz Programmable Switching Frequency SMBus Controls - Battery Charge Voltage (1.024V – 19.2V) - Battery Charge Current (128mA – 8.128A) - Adapter Input Current Limit (128mA – 8.064A) ±0.5% Battery Charge Voltage Accuracy ±3% Battery Charge Current Accuracy ±3% Adapter Input Current Limit Accuracy ±2% 20x Input Current or Charge Current Amplifier Output Accuracy Internal Charge Pumps for AC Blocking NFETs and BAT NFET Integrated Loop Compensation Internal Soft Start Programmable Adapter Detection and Indicator Support Air-line Adapter Support 1, 2, 3 and 4 Cells Battery Pack Support Boost Mode Battery LEARN Function and Programmable Battery Depletion Threshold Cycle-by-cycle Peak Current Limit Battery Over Voltage Protection and Short Protection Inductor and MOSFET Short Circuit Protection Thermal Shutdown with Hysteresis 0.65mA(0.8mA Max) Adapter Standby Quiescent Current 5µA Off-state Battery Discharge Current Package QFN 3.5x3.5-20 Silergy Corp. Confidential- Prepared for Customer Use Only 1 All Rights Reserved. PDF
Документация на SY20745RBC 

General Description

Дата модификации: 27.12.2024

Размер: 2.91 Мб

29 стр.

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