UB209B

UNISONIC TECHNOLOGIES CO., LTD UB209B Preliminary CMOS IC BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION  DESCRIPTION The UTC UB209B Series is a protection IC for lithium-ion/lithium polymer rechargeable batteries, including a high precision voltage detection circuit and a delay circuit. The UTC UB209B Series has a transmission function and two types of cell-balance function so that users are also able to configure a protection circuit with series multi-cell. TSSOP-8  FEATURES * Settable delay time by external capacitor for output pin * High-accuracy voltage detection circuit * Two types of cell-balance function: charge/discharge * Control charging, discharging, cell-balance by CTLC, CTLD pins * Low current consumption: 8.0µA max * Wide range of operation temperature (-40°C~+85°C)  ORDERING INFORMATION Package TSSOP-8 Packing Tape Reel Ordering Number Lead Free Halogen Free UB209BL-P08-R UB209BG-P08-R Note: xx: Output Voltage, refer to Marking Information. UB209BG-xx-P08-R (1)Packing Type (2)Package Type (3)Output Voltage Code (4)Halogen Free (1) R: Tape Reel (2) P08: TSSOP-8 (3) xx: Refer to Marking Information (4) Halogen Free, L: Lead Free  SERIAL CODE LIST Overcharge Overcharge Cell-balance Cell-balance Overdischarge Overdischarge Discharge Detection Release Detection Release Detection Release Model Code Cell-balance Voltage Voltage Voltage Voltage Voltage Voltage Function [VCU](V) [VCL](V) [VBU](V) [VBL](V) [VDL](V) [VDU](V) AA 4.100 4.000 4.050 4.000 ...