LM5175QPWPTQ1
DC/DC Cntrlr Single-OUT Step Down/Step Up 16A 600kHz Automotive AEC-Q100 28-Pin HTSSOP EP T/R
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Part Number : LM5175QPWPTQ1
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Package/Case : HTSSOP-28
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Brands : TI
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Components Categories : DC DC Switching Controllers
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Datesheet : LM5175QPWPTQ1 DataSheet (PDF)
Overview of LM5175QPWPTQ1
The LM5175-Q1 is a synchronous four-switch buck-boost DC/DC controller capable of regulating the output voltage at, above, or below the input voltage. The LM5175-Q1 operates over a wide input voltage range of 3.5 V to 42 V (60 V maximum) to support a variety of applications.
The LM5175-Q1 employs current-mode control both in buck and boost modes of operation for superior load and line regulation. The switching frequency is programmed by an external resistor and can be synchronized to an external clock signal.
The device also features a programmable soft-start function and offers protection features including cycle-by-cycle current limiting, input undervoltage lockout (UVLO), output overvoltage protection (OVP), and thermal shutdown. In addition, the LM5175-Q1 features selectable Continuous Conduction Mode (CCM) or Discontinuous Conduction Mode (DCM) operation, optional average input or output current limiting, optional spread spectrum to reduce peak EMI, and optional hiccup mode protection in sustained overload conditions.
Key Features
- Qualified for Automotive Applications
- AEC-Q100 Qualified with the following results:
- Device Temperature Grade 1: –40°C to
+125°C Ambient Operating Temperature
Range - Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4B
- Device Temperature Grade 1: –40°C to
- Single Inductor Buck-Boost Controller for Step-
Up/Step-Down DC/DC Conversion - Wide VIN Range: 3.5 V to 42 V, 60 V Maximum
- Flexible VOUT Range: 0.8 V to 55 V
- VOUT Short Protection
- High Efficiency Buck-Boost Transition
- Adjustable Switching Frequency
- Optional Frequency Sync and Dithering
- Integrated 2-A MOSFET Gate Drivers
- Cycle-by-Cycle Current Limit and Optional Hiccup
- Optional Input or Output Average Current Limiting
- Programmable Input UVLO and Soft-Start
- Power Good and Output Overvoltage Protection
- Selectable CCM or DCM with Pulse Skipping
- HTSSOP-28 Package
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Series | LM5175-Q1 | Product Status | Active |
Output Type | Transistor Driver | Function | Step-Up/Step-Down |
Output Configuration | Positive | Topology | Buck-Boost |
Voltage - Supply (Vcc/Vdd) | 3.5V ~ 42V | Frequency - Switching | 100kHz ~ 600kHz |
Synchronous Rectifier | Yes | Clock Sync | Yes |
Control Features | Enable, Frequency Control, Power Good, Soft Start | Operating Temperature | -40°C ~ 150°C (TJ) |
Mounting Type | Surface Mount | Package / Case | HTSSOP-28 |
Supplier Device Package | 28-HTSSOP | Base Product Number | LM5175 |
Manufacturer | Texas Instruments | Product Category | Switching Controllers |
RoHS | Details | Number of Outputs | 1 Output |
Switching Frequency | 100 kHz to 600 kHz | Duty Cycle - Max | 100 % |
Input Voltage | 3.5 V to 42 V | Output Voltage | 800 mV to 55 V |
Output Current | 20 A | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 125 C | Mounting Style | SMD/SMT |
Qualification | AEC-Q100 | Brand | Texas Instruments |
Isolation | Non-Isolated | Moisture Sensitive | Yes |
Operating Supply Current | 1.65 mA | Operating Supply Voltage | 3.5 V to 42 V |
Product | DC/DC Controllers | Product Type | Switching Controllers |
Shutdown | Shutdown | Factory Pack Quantity | 250 |
Subcategory | PMIC - Power Management ICs | Unit Weight | 0.004233 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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Returns for refund: within 90 days
Returns for Exchange: within 90 days
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