BU4316G-TR ROHM Semiconductor Integrated Circuit (SOT23 (5-Pin)) In Stock
ROHM BU4316G-TR is a single-channel voltage detector and supervisor IC with a maximum detection threshold of 1.616 V in a compact 5-pin SSOP package. Supports one monitoring function with a 1.25 mm terminal pitch and RoHS-compliant construction. Available from stock with worldwide shipping.
- Manufacturer
- ROHM Semiconductor
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- END OF LIFE
- Datasheet
- BU4316G-TR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1845(MOQ 250)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel voltage supervisor with maximum detection threshold of 1.616 V, enabling precise power-rail monitoring in low-voltage embedded systems
- Ultra-compact 5-pin SSOP package with 1.25 mm terminal pitch minimizes PCB footprint for space-constrained portable and IoT designs
- RoHS-compliant plastic/epoxy package body and no adjustable threshold simplify design qualification for consumer and industrial applications
Applications
The BU4316G-TR is designed for power supply monitoring in microcontroller-based systems, ensuring reliable reset generation when supply voltage drops below 1.616 V. It is well suited for battery-powered IoT nodes, wearable devices, and portable instruments where detecting low-voltage conditions prevents data corruption. Its small SSOP footprint integrates easily into tight PCB layouts alongside the MCU it supervises.
Specifications
| Pbfree Code | Yes |
| YTEOL | 3 |
| Additional Feature | Terminal Pitch between Pin 1 to Pin 2 is 1.25 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G5 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Supply Voltage-Min (Vsup) | 0.7V |
| Supply Voltage-Nom (Vsup) | 0.85V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +1.6V |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At what supply voltage does BU4316G-TR assert a reset signal in a microcontroller application?
The BU4316G-TR monitors the supply rail and asserts its reset output when voltage falls at or below the maximum detection threshold of 1.616 V, ensuring that connected microcontrollers or logic devices are held in reset during brownout conditions and released only when supply voltage recovers.
How does the 5-pin SSOP package of BU4316G-TR compare with SOT-23 voltage supervisors for compact PCB designs?
The 5-pin SSOP with 1.25 mm terminal pitch offers a slightly larger footprint than a standard 3-pin SOT-23 but provides dedicated output and enable pins for a single monitoring channel, giving designers more flexibility without significantly increasing board area in portable and IoT applications.
Which portable or battery-powered designs benefit most from the BU4316G-TR voltage supervisor?
Battery-powered IoT sensors, wearable devices, and handheld instruments operating from single-cell lithium or alkaline batteries benefit most, as the 1.616 V detection threshold aligns with end-of-discharge voltages, preventing microcontroller code corruption during the 1 to 2 seconds before complete power loss.
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About ROHM Semiconductor
ROHM Semiconductor is a leading electronic component manufacturer. FindMyChip sources ROHM Semiconductor ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.2304 | $57.61 |
| 500+ | $0.2195 | $109.73 |
| 1000+ | $0.2104 | $210.42 |
| 15000+ | $0.1880 | $2820.30 |
| 21000+ | $0.1862 | $3911.04 |
| 30000+ | $0.1845 | $5536.20 |
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