計算工具
SLVC789 — LM76202-Q1 and LM74202-Q1 Design Calculator
Spreadsheet calculator helpful in selecting the design parameters for the desired application.
LM74202-Q1
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C ≤ TA ≤ +125°C
- AEC-Q100-012 short circuit reliability Grade A
- HBM ESD classification level 2
- CDM ESD classification level C6
- 4.2-V to 40-V operating voltage, 42-V maximum
- Integrated reverse input polarity protection down to –40 V
- Integrated back-to-back MOSFETs with 150 mΩ total RON
- Transient immunity up-to 55 V
- 0.1-A to 2.23-A adjustable current limit
(±5% accuracy at 1 A) - Load protection during ISO7637 and ISO16750-2 testing
- Short to battery and short to ground protection
- Reverse current blocking for protection from output short to battery
- IMON current indicator output (±8.5% accuracy)
- Low quiescent current (285 µA in operating, 16 µA in shutdown)
- Adjustable UVLO, OVP cut off, inrush current control
- Selectable current-limiting fault response options (auto-retry, latch off, CB modes)
- Available in easy to use 16-Pin HTSSOP package
The LM74202-Q1 device is a compact, feature-rich 40-V integrated ideal diode with a full suite of protection features. The wide supply input range allows control of 12-V automotive battery driven applications. The device withstands and protects the loads from positive and negative supply voltages up to ±40 V. Load, source and device protection are provided with many programmable features including overcurrent, inrush current control, overvoltage and undervoltage thresholds. The internal robust protection control blocks along with the 40-V rating of the device simplifies the system design for ISO standard pulse tesing.
A shutdown pin provides external control for enabling and disabling the internal FETs and places the device in a low current shutdown mode. For system status monitoring and downstream load control, the device provides fault output and precise current monitor output. The MODE pin allows flexibility to configure the device between the three current-limiting fault responses (circuit breaker, latch off, and auto-retry modes). The device monitors V(IN) and V(OUT) to provide reverse current blocking when V(IN) < (V(OUT)-10mV). This function protects system bus from overvoltages during output short to battery faults and also helps in voltage holdup requirements during power fail and brownout conditions.
The device is available in a 5 mm × 4.4 mm 16-pin HTSSOP and is fully specified over a –40°C to +125°C temperature range.
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檢視所有 3 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LM74202-Q1 40-V, 2.2-A Integrated Ideal Diode with Overvoltage and Overcurrent Protection datasheet | PDF | HTML | 2019年 6月 27日 |
| Application note | Basics of Ideal Diodes (Rev. B) | PDF | HTML | 2021年 10月 5日 | |
| Application brief | Plug and Play Automotive Protection with Integrated FET Ideal Diode - LM76202-Q1 | 2019年 6月 7日 |
設計與開發
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開發板
LM76202-Q1EVM — LM76202-Q1 理想二極體評估模組
The LM76202-Q1EVM allows reference circuit evaluation of TI's LM76202-Q1 and LM74202-Q1 ideal diodes. The LM76202-Q1 device is 4.5 V to 60 V, 2.23-A ideal diode and the LM74202-Q1 device is 4.5 V to 40 V, 2.23-A ideal diode. Both devices have reverse battery protection, overvoltage, (...)
使用指南: PDF
模擬工具
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| 封裝 | 引腳 | 下載 |
|---|---|---|
| HTSSOP (PWP) | 16 | 檢視選項 |
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