R5114 Series
Low Supply Current 42V Input System Power Supply with Watchdog Timer
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Provides at-a-glance product features, functions, and concepts.
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Description
The R5114 is a system power supply IC with an ultra-low power watchdog timer (LDO + VD + WDT) that has an input voltage range of 3.5 V to 42 V.
The R5114 offers a low current consumption of 8.5 µA at operation and 0.2 µA at standby. When ECU goes into sleep, the device automatically turns the built-in WDT off to prevent it from sending a reset signal. When ECU goes back to active, the device automatically turns the built-in WDT on to resume the ECU monitoring.
The R5114 is also available with the version that is not equipped with an auto monitoring stop.
Spec
| Standard | Industrial | Automotive | |
|---|---|---|---|
| Input Voltage Range | 3.5 V to 42.0 V (50.0 V) | ||
| Operating Temperature Range | -40°C to 105°C (125°C) | -40°C to 125°C (150°C) | -40°C to 125°C (150°C) |
| Supply Current | Typ. 8.5 µA | ||
| Standby Current | Typ. 0.2 µA | ||
| Output Voltage Range | 3.3 V to 5.0 V | ||
| Output Voltage Accuracy | ±0.6% | ||
| Output Current | 250 mA | ||
| Package | HSOP-8E, HSOP-18, HQFN0808-28 | ||
Protections / Functions
| TSD | Reverse | Current Limit | ISC | Inrush | ECO mode | Auto Discharge | External Driver | PGOOD | Soft Start |
|---|---|---|---|---|---|---|---|---|---|
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Functional Description
| TSD | Thermal Shutdown Function |
|---|---|
| Reverse Current Protection | Reverse Current Protection |
| Current Limit | Overcurrent Protection |
| ISC | Short Current Protection |
| Inrush Current Limit | Inrush Current Protection |
| Constant Slope | Constant Slope Function |
| ECO mode | ECO Function |
| Auto Discharge | Auto Discharge Function |
| External Driver | External Output Driver Transistor |
Technical Documents
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SPICE model download
You can download the product's SPICE model. Login/registration to myNISD is required to download.
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R5114Sxx2C Typical Application
CIN = Ceramic 0.1 µF, COUT = Ceramic 0.1 µF
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R5114Sxx2C (Timeout type) Timing Chart
* tRESET : Release Delay Time
* tIGN : Ignoring Time
* tWD : Monitoring Time
* tWR : Reset Time
Quality & Packages
| Product Name | Compatibility | Package | Marking | Reliability |
|---|---|---|---|---|
| R5114Sxx1x-E2-FE |
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HSOP-8E | R5114Sxx1 | R5114Sxx1-FE |
| R5114Sxx2C-E2-FE |
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HSOP-18 | R5114Sxx2 | R5114Sxx2-FE |
| R5114Lxx2C-TR-FE |
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HQFN0808-28 | R5114L | R5114Lxx2-FE |
| R5114Sxx1x-E2-YE |
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HSOP-8E | R5114Sxx1 | R5114Sxx1-YE |
| R5114Sxx2C-E2-YE |
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HSOP-18 | R5114Sxx2 | R5114Sxx2-YE |
| R5114Lxx2C-TR-YE |
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HQFN0808-28 | R5114L | R5114Lxx2-YE |
| R5114Sxx1x-E2-KE |
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HSOP-8E | R5114Sxx1 | R5114Sxx1-KE |
| R5114Sxx1x-E2-AE |
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HSOP-8E | R5114Sxx1 | R5114Sxx1-AE |
| R5114Sxx2C-E2-KE |
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HSOP-18 | R5114Sxx2 | R5114Sxx2-KE |
| R5114Sxx2C-E2-AE |
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HSOP-18 | R5114Sxx2 | R5114Sxx2-AE |
| R5114Lxx2C-TR-KE |
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HQFN0808-28 | R5114L | R5114Lxx2-KE |
| R5114Lxx2C-TR-AE |
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HQFN0808-28 | R5114L | R5114Lxx2-AE |
- Refer to the datasheets for the details on the product.
- The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
FAQ
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Purchase, Request for samples and documentsSales are made through distributors. Please contact your local distributors for any sales-related inquiry such as price.
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Available from 1 piece!Our electronic device products are available through our authorized online distributors.
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Technical Support