Datasheet Voltage Detector IC Series CMOS Over Voltage Detector IC BD71L4L-1 series General Descriptions Key Specifications ROHMs BD71L4L-1 series is highly accurate and low Detection Voltage: 4.05V (Typ.) current Over Voltage Detector IC. It is an N-Channel High Accuracy Detection Voltage: 0.8% Open-Drain output type with detection voltage of 4.05V Ultra-Low Current Consumption: 0.8A (Typ.) and hysteresis voltage of 30mV. It is most suitable for Operating Temperature Range: -40C to +85C monitoring the charge of a lithium-ion battery. Package W(typ) x D(typ) x H(max) Features SSOP5: 2.90mm x 2.80mm x 1.25mm High Accuracy Detection Voltage Low Current Consumption HVSOF5: 1.60mm x 1.60mm x 0.60mm N-Channel Open Drain Output Wide Operating Temperature Range Very Small and Low Height Package Package SSOP5 is similar to SOT-23-5 (JEDEC) Applications All electronics equipment with lithium-ion battery All electronics equipment that needs over-voltage protection Typical Application Circuit V V DD1 DD2 R L Microcontroller RST BD71L4L-1 C IN C L Capacitor for ( noise filtering) GND Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0R7R0G300030-1-2 2016 ROHM Co., Ltd. All rights reserved. 1/14 TSZ2211114001 08.Jun.2016.Rev.005 BD71L4L-1 series Connection Diagram SSOP5 HVSOF5 N.C. N.C. GND VDD 5 4 A R Lot. No Marking 1 2 3 Lot. No Marking OUT SUB VDD OUT VDD GND TOP VIEW TOP VIEW Pin Descriptions SSOP5 HVSOF5 PIN No. Symbol Function PIN No. Symbol Function 1 OUT Output pin 1 OUT Output pin 2 VDD Power Supply Voltage 2 SUB * Substrate 3 GND GND 3 VDD * Power Supply Voltage 4 N.C. No connection pin 4 VDD * Power Supply Voltage No connection pin 5 GND GND 5 N.C. N.C. pin is electrically open and can be connected to either VDD * The SUB pin (pin no. 2) and VDD pins (pin no. 3 and 4) must or GND. be wired together. Ordering Information B D x x x x x x - 1 T R Part Function Output logic Detection Voltage Value Package Packaging and Number 71 : Over Voltage L : Active 4L : 4.05V G : SSOP5 forming specification Detector Low HFV : HVSOF5 Embossed tape and reel TR : The pin number 1 is the upper right : SSOP5 : HVSOF5 www.rohm.com TSZ02201-0R7R0G300030-1-2 2016 ROHM Co., Ltd. All rights reserved. 2/14 TSZ2211115001 08.Jun.2016.Rev.005 L1