Multi-Cell Synchronous Buck-Boost Battery Charger Controller with NVDC Power Path Management
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- Parameters
- Features
- Description
| Part Number | SY20776DQFQ |
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| Description | Multi-Cell Synchronous Buck-Boost Battery Charger Controller with NVDC Power Path Management |
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| Vin_min (V) | 3.5 |
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| Vin_max (V) | 25 |
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| Vo_min (V) | |
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| Max. Charge Current (A) | 8.128 |
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| Iq (uA) | |
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| Fsw (MHz) | 0.8,1.2 |
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| Cell Voltage | 1.024V – 19.2V |
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| Series Cells | 1~4 cells |
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| Features / Special Function | Programmable CV, CC, VSYSMIN, VDPM, IDPM, OTGCV, OTGCC by I2 C, Power/current monitoring, PROCHOT, PTM, VAP |
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| Package | QFN4x4-32 |
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- 3.5V to 25V Input Operating Voltage
- Charge 1s to 4s Battery from Wide Range ofInput Source
- Drive Bi-Direction 4-switch Buck-Boost with Single Inductor
- 800kHz or 1.2MHz Programmable SwitchingFrequency
- I2C Controls
--Battery Charge Voltage (1.024V - 19.2V)
--Minimum System Voltage (1.024V-16.128V)
--OTG Output Voltage (3V-20.8V)
-- Battery Charge Current(64mA-8.128A)
--Input Voltage Limit for DPM (3.2V-19.52V)
--Input CurrentLimit for DPM (50mA-6.4A)
--OTG Output Current Limit (50mA-6.35A)
- High Accuracy for Voltage/Current Regulation
- Accurate Power/Current Monitor and Comprehensive PROCHOT for CPU Throttling
- ILIM_HIZ Pinto Set Input Current Limit
- NVDC Power Path Management
-- Battery Supplements System when Adapter is Fully-Loaded
-- Battery MOSFET (BATFET) Ideal Diode Operation in Supplement Mode
- Pass Through Mode (PTM) for System PowerEfficiency Improvement
- When System is Powered by Battery Only, VminActive Protection (VAP) Mode SupplementsSystemfrom Input Capacitors during SystemPeak Power Spike
- Support Battery LEARN Function
- Adaptive Input Current Limit (AICL) to Extract Max InputPower
- Host Control Interface for Flexible SystemConfiguration
- Integrated ADC to Monitor Voltage, Current andPower
- Thermal Shutdown Protection
- Input, System, Battery Overvoltage Protection
- Input, MOSFET, Inductor Overcurrent Protection
- Compact Package: QFN4x4-32
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY20776DQFQ is to evaluate multi-cell synchronous buck-boost battery charger controller SY20776DQFQ.
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