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LM5158QRTERQ1
With dual random spread spectrum technology, this 16-WQFN package can handle up to 16W of power
Brands: Texas Instruments
Mfr.Part #: LM5158QRTERQ1
Datasheet: LM5158QRTERQ1 Datasheet (PDF)
Package/Case: WQFN (RTE)-16
RoHS Status:
Stock Condition: 5868 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomLM5158QRTERQ1 General Description
The LM5158x -Q1 device is a wide input range, non-synchronous boost converter with an integrated 85-V, 3.26-A (LM5158 -Q1) or 85-V, 1.63-A (LM51581 -Q1) power switch.
The device can be used in boost, SEPIC, and flyback topologies. It can start up from a single-cell battery with a minimum of 3.2 V. It can operate with the input supply voltage as low as 1.5 V if the BIAS pin is greater than 3.2 V.
The BIAS pin operates up to 60 V (65-V absolute maximum) for automotive load dump. The switching frequency is dynamically programmable from 100 kHz to 2.2 MHz with an external resistor. Switching at 2.2 MHz minimizes AM band interference and allows for a small solution size and fast transient response. The device provides a selectable Dual Random Spread Spectrum to help reduce the EMI over a wide frequency range.
The device features an accurate peak current limit over the input voltage, which avoids overdesigning the power inductor. Low operating current and pulse-skipping operation improve efficiency at light loads.
The device has built-in protection features such as overvoltage protection, line UVLO, thermal shutdown, and selectable hiccup mode overload protection. Additional features include low shutdown IQ, programmable soft start, precision reference, a power-good indicator, and external clock synchronization.
Features
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C TA
- Functional Safety-Capable
- Documentation available to aid functional safety system design
- Suited for wide operating range for car battery applications
- 3.2-V to 60-V input operating range (65-V abs max)
- 83-V maximum output (85-V abs max)
- Minimum boost supply voltage of 1.5 V when BIAS ≥ 3.2 V
- Input transient protection up to 65 V
- Minimized battery drain
- Low shutdown current (IQ ≤ 2.6 µA)
- Low operating current (IQ ≤ 670 µA)
- Small solution size and low cost
- Maximum switching frequency up to 2.2 MHz
- 16-pin QFN package (3 mm × 3 mm) with wettable flanks
- Integrated error amplifier allows primary-side regulation without optocoupler (flyback)
- Minimized undershoot during cranking
- Accurate current limit (see the Device Comparison Table)
- EMI mitigation
- Selectable dual random spread spectrum
- Lead-less package
- Higher efficiency with low-power dissipation
- 133-mΩ RDSON switch
- Fast switching, small switching loss
- Avoid AM band interference and crosstalk
- Optional clock synchronization
- Dynamically programmable wide switching frequency from 100 kHz to 2.2 MHz
- Integrated protection features
- Constant current limiting over input voltage
- Selectable hiccup mode overload protection
- Programmable line UVLO
- OVP protection
- Thermal shutdown
- Accurate ±1% accuracy feedback reference
- Adjustable soft start
- PGOOD indicator
- Create a custom design using the LM5158x -Q1 with the WEBENCH Power Designer
Application
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Topology | Boost, Flyback, SEPIC | Vin (min) (V) | 1.5 |
| Vin (max) (V) | 60 | Vout (min) (V) | 2 |
| Vout (max) (V) | 83 | Switch current limit (typ) (A) | 3.75 |
| Type | Converter | Regulated outputs (#) | 1 |
| Switching frequency (min) (kHz) | 100 | Switching frequency (max) (kHz) | 2200 |
| Iq (typ) (mA) | 0.67 | Features | Enable, Frequency synchronization, Nonsynchronous rectification, Power good, Spread Spectrum, UVLO adjustable |
| TI functional safety category | Functional Safety-Capable | Duty cycle (max) (%) | 93 |
| Operating temperature range (°C) | -40 to 125 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
 |
Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
We provide high quality products, thoughtful service and after sale guarantee
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Minimum order quantity starts from 1pcs.
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365 days quality guarantee for all products
