SY20755CQDC (SY6913CQDC)

High Efficiency Bi-direction Power Bank Regulator for Single-cell Battery Power Bank

Part number	SY20755CQDC
Vin (max) (V)	5.35
Vin (min) (V)	4.5
Absolute max Vin (max) (V)
Number of series cells	1
Charge voltage (max) (V)
Charge voltage (min) (V)
Charge current (max) (A)	2
Charge current (min) (A)
Integrated FETs(Yes/No)
Topology
Control interface
Features	Prog. Current Limit, 1A Boost
Operating temperature range(°C)
Package	QFN3x3-16

Maximum 18V Input Voltage Surge
Bad Adapter Detection
Build in Power Path NFETs and Power Switches
500kHz Switching Frequency Operation
Trickle Current / Constant Current / Constant Voltage Charge Mode with Internal Compensation
Maximum 2A Constant Charge Current
Maximum 1A Boost Output Current
4.2V/4.35V Selectable Battery Cell Voltage
+/-0.5% Cell Voltage Accuracy
Charge/Discharge/Fault Status Indicator
Discharging Control Logic
Programmable Input Current Limit
Dynamic Power Management
Cycle-by-cycle Peak Current Limitation
Input Voltage UVLO and OVP
Boost Output Short Circuit Protection
Thermal Shutdown

EVB_SY20755CQDC

The EVB_SY20755CQDC is used to evaluate 5V adapter input with up to 18V surge bi-directional regulator SY20755CQDC.

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12

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