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www.sii-ic.com ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION © SII Semiconductor Corporation, 2017 Rev.1.1_00 The S-5471 Series, developed by using CMOS technology, is a voltage monitoring IC with an ultra-low current consumption. Since the feed-through current in the IC is extremely low, the error can be reduced when the voltage of a power supply with high impedance is detected. In addition, since the det ection voltage is extremely low, a tiny amount of power generated by energy harvesting can also be detected. Due to its ultra-low current consumption and low-voltage oper ation, the S-5471 Series is suitable for battery-operated small mobile devices. Features
- Ultra-low current consumption: I DD ≤ 10 nA typ.
- Detection voltage: V DET = 0.75 V typ.
- Wide operation voltage range: V DD = 0.7 V to 5.5 V
- Operation temperature range: Ta = −40°C to +85°C
- Lead-free (Sn 100%), halogen-free Applications
- Miniaturization and power consumption reduction fo r various sensors of portable and wireless devices
- Energy harvesting Package
- SOT-23-5
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION S-5471 Series Rev.1.1_00 Block Diagram OUT VDD VSS SENSE VREF *1. Parasitic diode Figure 1
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION Rev.1.1_00 S-5471 Series Product Name Structure Refer to "1. Product name " regarding the contents of the product name, " 2. Package " regarding the package drawings. 1. Product name A S-5471 A 21 I - M5T1 U Environmental code U: Lead-free (Sn 100%), halogen-free Package abbreviation and IC packing specifications M5T1: SOT-23-5, Tape Operation temperature I: Ta = −40°C to +85°C Output form and output logic A: CMOS output, active "H" *1. Refer to the tape drawing. 2. Package Table 1 Package Drawing Codes Package Name Dimension Tape Reel SOT-23-5 MP005-A-P-SD MP005-A-C-SD MP005-A-R-SD
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION S-5471 Series Rev.1.1_00 Pin Configuration 1. SOT-23-5 13 2 Top view Table 2 Pin No. Symbol Description
1 VDD Power supply pin
2 VSS GND pin
3 TEST*1 Test pin
4 SENSE Detection voltage input pin
5 OUT Output pin
Figure 2 *1. Connect to GND.
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION Rev.1.1_00 S-5471 Series Absolute Maximum Ratings Table 3 (Ta = +25°C unless otherwise specified) Item Symbol Abso lute Maximum Rating Unit Power supply voltage V DD V SS − 0.3 to VSS + 7.0 V Input voltage V SENSE V SS − 0.3 to VSS + 7.0 V Output voltage V OUT V SS − 0.3 to VDD + 0.3 V Output pin current ISOURCE 20 mA ISINK 20 mA Operation ambient temperature T opr −40 to +85 °C Storage temperature T stg −55 to +125 °C Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefor e not be exceeded under any conditions. Thermal Resistance Value Table 4 Item Symbol Condition Min. Typ. Max. Unit Junction-to-ambient thermal resistance *1 θja SOT-23-5 Board A − 192 − ° C/W Board B − 160 − ° C/W Board C − − − ° C/W Board D − − − ° C/W Board E − − − ° C/W *1. Test environment: compliance with JEDEC STANDARD JESD51-2A Remark Refer to " Power Dissipation" and "Test Board" for details.
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION S-5471 Series Rev.1.1_00 Electrical Characteristics Table 5 (Ta = +25°C, VDD = 3.0 V unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit Power supply voltage V DD Ta = −40°C to +85°C 0.7 − 5.5 V − Current consumption I DD VSENSE = VSS − 1 150 nA 1 VSENSE = 1.0 V − 3 150 nA 1 Detection voltage V DET − 0.69 0.75 0.81 V 2 Release voltage V REL − VDET − 0.07 VDET − 0.05 VDET − 0.03 V 2 Detection voltage temperature coefficient VTC Ta = −40°C to +85°C − −0.24 − %/°C − Input current I SENSE V SENSE = 1.0 V − 1.45 100 nA 3 Source current I SOURCE V OUT = VDD − 0.3 V VDD = 0.7 V 0.01 0.3 − mA 4 VDD = 3.0 V 4.0 5.3 − mA 4 Sink current I SINK V OUT = 0.3 V VDD = 0.7 V 0.01 0.6 − mA 5 VDD = 3.0 V 8.0 10.2 − mA 5 Output response time t OD − − − 15 ms −
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION S-5471 Series Rev.1.1_00 Standard Circuit VDD OUT VSS S-5471 Series VOUT 0.1 μF VSENSE SENSE TEST Figure 8 Caution The above connection diagram and constant will not guarantee successful operation. Perform thorough evaluation using the actual application to set the constant.
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION S-5471 Series Rev.1.1_00 2. Temperature characteristics of detection voltage The shaded area in Figure 11 shows the temperature characteristics of the detection voltage in the operation temperature range. −40 +25 VDET [V] +85 Ta [°C] −0.24%/°C VDET25 *1. VDET25: Detection voltage value at Ta = +25°C Figure 11 Temperature Characteristics of Detection Voltage
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION S-5471 Series Rev.1.1_00 Precautions
- Use the S-5471 Series with the output pin current of 20 mA or less.
- The S-5471 Series may malfunction if the power supply voltage changes steeply.
- The output in the S-5471 Series is unstable in lower voltage than the minimum operation voltage. At the time of power-on, use the S-5471 Series after output stabilization.
- Connect a capacitor of 0.1 μF or more between the VDD pi n and VSS pin for stabilization.
- Since the SENSE pin is easy to be affected by disturbance noise, perform countermeasures such as mounting external parts to the IC as close as possible.
- If the impedance of the power supply is high, the S-5471 Series may malfunction due to voltage drop caused by feed-through current. Make wire patterns very carefully so that the impedance of the power supply lowers.
- Do not apply an electrostatic discharge to this IC that ex ceeds the performance ratings of the built-in electrostatic protection circuit.
- SII Semiconductor Corporation claims no responsibility for any disputes arising out of or in connection with any infringement by products including this IC of patents owned by a third party.
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION Rev.1.1_00 S-5471 Series Characteristics (Typical Data) 1. Detection voltage vs. Temperature 2. Detection voltage vs. Power supply voltage Ta = +25°C −40 85 7550250−25 Ta [°C] VDET [V] 1.0 0.4 0.8 0.6 1.0 VDET [V] VDD [V] 0.4 543210 0.8 0.6 3. Release voltage vs. Temperature 4. Release voltage vs. Power supply voltage Ta = +25°C −40 85 7550250−25 Ta [°C] VREL [V] 1.0 0.4 0.8 0.6 1.0 VREL [V] VDD [V] 0.4 543210 0.8 0.6 5. Current consumption vs. Temperature 6. Current consumption vs. Power supply voltage Ta = +25°C −40 85 7550250−25 Ta [°C] IDD [nA] 100 −20 VSENSE = 0 V VSENSE = 1.0 V VDD [V] 543210 IDD [nA] VSENSE = 0 V VSENSE = 1.0 V 7. Input current vs. Temperature 8. Input current vs. Input voltage V SENSE = 1.0 V Ta = +25°C −40 85 7550250−25 Ta [°C] ISENSE [nA] VSENSE [V] 543210 ISENSE [nA]
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION S-5471 Series Rev.1.1_00 9. Output response time vs. Power supply voltage Ta = +25°C tOD [ms] 5.0 4.0 3.0 2.0 1.0 0.0 VDD [V] 543210 H → L L → H 10. Source current vs. Power supply voltage 11. Sink current vs. Power supply voltage ISOURCE [mA] VDD [V] 543210 Ta = +25°C Ta = +85°C Ta = −40°C ISINK [mA] VDD [V] 543210 Ta = +25°C Ta = +85°C Ta = −40°C
ENERGY HARVESTING VOLTAGE MONITORING IC WITH ULTRA-LOW CURRENT CONSUMPTION Rev.1.1_00 S-5471 Series Power Dissipation 0 25 50 75 100 125 150 1750.0 0.2 0.4 0.6 0.8 1.0 Ambient temperature (Ta) [C] Power dissipation (PD) [W] Tj = 125C max. SOT-23-5 B A Board Power Dissipation (P D) A 0.52 W B 0.63 W C − D − E −
(1) (2) Board A Item Specification Size [mm] 114.3 x 76.2 x t1.6 Material FR-4 Number of copper foil layer 2 Copper foil layer [mm] Land pattern and wiring for testing: t0.070 74.2 x 74.2 x t0.070 74.2 x 74.2 x t0.070 Thermal via - Board B Item Specification Size [mm] 114.3 x 76.2 x t1.6 Thermal via - Material FR-4 Number of copper foil layer 4 Copper foil layer [mm] Land pattern and wiring for testing: t0.070 74.2 x 74.2 x t0.035 74.2 x 74.2 x t0.035 IC Mount Area SOT-23-3/5/6 Test Board No. SOT23x-A-Board-SD-1.0 SII Semiconductor Corporation
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