S-19190 Series AUTOMOTIVE, 105C OPERATION, www.ablic.com VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION ABLIC Inc., 2015-2021 Rev.1.6 00 The S-19190 Series is a voltage monitoring IC with a cell balancing function and includes a high-accuracy voltage detection circuit and a delay circuit. The S-19190 Series is suitable for cell balancing and overcharge protection of batteries and capacitors. Caution This product can be used in vehicle equipment and in-vehicle equipment. Before using the product for these purposes, it is imperative to contact our sales representatives. Features High-accuracy voltage detection circuit Cell balancing detection voltage: 2.0 V to 4.6 V (5 mV step) Accuracy 12 mV (2.0 V VBU < 2.4 V) Accuracy 0.5% (2.4 V VBU 4.6 V) *1 Cell balancing release voltage: 2.0 V to 4.6 V Accuracy 24 mV (2.0 V VBL < 2.4 V) Accuracy 1.0% (2.4 V VBL 4.6 V) Overcharge detection voltage: 2.0 V to 4.6 V (5 mV step) Accuracy 12 mV (2.0 V VCU < 2.4 V) Accuracy 0.5% (2.4 V VCU 4.6 V) *2 Overcharge release voltage: 2.0 V to 4.6 V Accuracy 24 mV (2.0 V VCL < 2.4 V) Accuracy 1.0% (2.4 V VCL 4.6 V) Built-in Nch transistor with ON resistance of 5 typ. between the CB pin and the VSS pin Current consumption: 2.0 A max. (Ta = +25C) Delay times are generated only by an internal circuit (External capacitors are unnecessary). CO pin output form and output logic are selectable: CMOS output Active, active Nch open-drain output Active, active Switchable to power-saving mode by using the CE pin Operation temperature range: Ta = 40C to +105C Lead-free (Sn 100%), halogen-free *3 AEC-Q100 qualified *1. Cell balancing release voltage = Cell balancing detection voltage Cell balancing hysteresis voltage (Cell balancing hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 50 mV step.) *2. Overcharge release voltage = Overcharge detection voltage Overcharge hysteresis voltage (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 50 mV step.) *3. Contact our sales representatives for details. Applications Rechargeable battery module Capacitor module Package SOT-23-6 1 AUTOMOTIVE, 105C OPERATION, VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION S-19190 Series Rev.1.6 00 Block Diagram VDD CB + Control circuit CO Delay circuit + DP 1 M Power-saving mode CE switching circuit VSS 1 M *1. All diodes shown in the figure are parasitic diodes. Figure 1 2