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LMP8602

現行

具線路濾波器功能的 -22 至 60V、雙向電流感測放大器

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產品規格表

LMP8602

現行
產品規格表 立即訂購

產品詳細資料

Product type Analog output Common-mode voltage (max) (V) 60 Common-mode voltage (min) (V) -22 Input offset (±) (max) (µV) 1000 Input offset drift (±) (typ) (µV/°C) 2 Features Bidirectional, Low-side Capable Rating Catalog Voltage gain (V/V) 50 CMRR (min) (dB) 90 Bandwidth (kHz) 60 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 3 Iq (max) (mA) 1.5 Number of channels 1 Comparators (#) 0 Gain error (%) 0.5 Gain error drift (±) (max) (ppm/°C) 20 Slew rate (V/µs) 0.4 Operating temperature range (°C) -40 to 125
Product type Analog output Common-mode voltage (max) (V) 60 Common-mode voltage (min) (V) -22 Input offset (±) (max) (µV) 1000 Input offset drift (±) (typ) (µV/°C) 2 Features Bidirectional, Low-side Capable Rating Catalog Voltage gain (V/V) 50 CMRR (min) (dB) 90 Bandwidth (kHz) 60 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 3 Iq (max) (mA) 1.5 Number of channels 1 Comparators (#) 0 Gain error (%) 0.5 Gain error drift (±) (max) (ppm/°C) 20 Slew rate (V/µs) 0.4 Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Gain = 20x for LMP8601 and LMP8601-Q1
  • Gain = 50x for LMP8602 and LMP8602-Q1
  • Gain = 100x for LMP8603 and LMP8603-Q1
  • TCVOS: 10 µV/°C Maximum
  • CMRR: 90-dB Minimum
  • Input Offset Voltage: 1-mV Maximum
  • CMVR at VS = 3.3 V: –4 V to 27 V
  • CMVR at VS = 5 V: –22 V to 60 V
  • Single-Supply Bidirectional Operation
  • All Minimum and Maximum Limits 100% Tested
  • Q1 Devices Qualified for Automotive Applications
  • Q1 Devices ACE-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device Temperature Grade 0: –40°C to 150°C (LMP8601EDRQ1 Only)
    • Device HBM ESD Classification Level 2
      (3A on inputs)
    • Device CDM ESD Classification Level C6
    • Device MM ESD Classification Level M2
  • Gain = 20x for LMP8601 and LMP8601-Q1
  • Gain = 50x for LMP8602 and LMP8602-Q1
  • Gain = 100x for LMP8603 and LMP8603-Q1
  • TCVOS: 10 µV/°C Maximum
  • CMRR: 90-dB Minimum
  • Input Offset Voltage: 1-mV Maximum
  • CMVR at VS = 3.3 V: –4 V to 27 V
  • CMVR at VS = 5 V: –22 V to 60 V
  • Single-Supply Bidirectional Operation
  • All Minimum and Maximum Limits 100% Tested
  • Q1 Devices Qualified for Automotive Applications
  • Q1 Devices ACE-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device Temperature Grade 0: –40°C to 150°C (LMP8601EDRQ1 Only)
    • Device HBM ESD Classification Level 2
      (3A on inputs)
    • Device CDM ESD Classification Level C6
    • Device MM ESD Classification Level M2

The LMP8601, LMP8602, LMP8603 (LMP860x) and LMP8601-Q1, LMP8602-Q1, LMP8603-Q1 (LMP860x-Q1) devices are fixed-gain, precision current-sense amplifiers (also referred to as current-shunt monitors). The input common-mode voltage range is –22 V to +60 V when operating from a single 5-V supply, or –4 V to +27 V with a 3.3-V supply. The LMP860x and LMP860x-Q1 are ideal parts for unidirectional and bidirectional current sensing applications.

These devices have a precise gain of 20x (LPM8601, LPM8601-Q1), 50x (LPM8602, LPM8602-Q1), and 100x (LPM8603, LPM8603-Q1), and are adequate in most targeted applications to drive an ADC to full-scale value. The fixed gain is achieved in two separate stages: a preamplifier with a gain of 10x and an output stage buffer amplifier with a gain of 2x (LMP8601, LMP8601-Q1), 5x (LMP8602, LMP8602-Q1), or 10x (LMP8603, LMP8603-Q1). The path between the two stages is brought out on two pins to enable the option of an additional filter network or modifying the gain.

The offset input pin enables these devices for unidirectional or bidirectional single supply voltage current sensing.

The LMP860x-Q1 devices incorporate enhanced manufacturing and support processes for the automotive market and are compliant with the AEC-Q100 standard.

The LMP8601, LMP8602, LMP8603 (LMP860x) and LMP8601-Q1, LMP8602-Q1, LMP8603-Q1 (LMP860x-Q1) devices are fixed-gain, precision current-sense amplifiers (also referred to as current-shunt monitors). The input common-mode voltage range is –22 V to +60 V when operating from a single 5-V supply, or –4 V to +27 V with a 3.3-V supply. The LMP860x and LMP860x-Q1 are ideal parts for unidirectional and bidirectional current sensing applications.

These devices have a precise gain of 20x (LPM8601, LPM8601-Q1), 50x (LPM8602, LPM8602-Q1), and 100x (LPM8603, LPM8603-Q1), and are adequate in most targeted applications to drive an ADC to full-scale value. The fixed gain is achieved in two separate stages: a preamplifier with a gain of 10x and an output stage buffer amplifier with a gain of 2x (LMP8601, LMP8601-Q1), 5x (LMP8602, LMP8602-Q1), or 10x (LMP8603, LMP8603-Q1). The path between the two stages is brought out on two pins to enable the option of an additional filter network or modifying the gain.

The offset input pin enables these devices for unidirectional or bidirectional single supply voltage current sensing.

The LMP860x-Q1 devices incorporate enhanced manufacturing and support processes for the automotive market and are compliant with the AEC-Q100 standard.
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重要文件 類型 標題 格式選項 日期
* Data sheet LMP860x, LMP860x-Q1 60-V, Bidirectional, Low- or High-Side, Voltage-Output, Current-Sensing Amplifiers datasheet (Rev. H) PDF | HTML 2016年 4月 27日
Application note Risks and Prevention of ESD, EOS, and Latch Up Events for Current Sense Amplifiers PDF | HTML 2024年 11月 18日
Application brief Low-Drift, Precision, In-Line Motor Current Measurements With PWM Rejection (Rev. D) PDF | HTML 2023年 4月 7日
Application brief Switching Power Supply Current Measurements (Rev. E) PDF | HTML 2023年 4月 7日
Application note Using a PCB Copper Trace as a Current-Sense Shunt Resistor PDF | HTML 2022年 1月 25日
Application brief Benefits of Intergated Low Inductive Shunt for PWM Applications 2017年 6月 17日
Application brief Precision LED Brightness and Color Mixing With Discrete Current Sense Amplifiers 2017年 2月 28日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LMP8602MAEVAL — 適用於 LMP8602 的評估板

The LMP860X SOIC Evaluation Board is designed to evaluate current sense amplifiers like the LMP8601, LMP8602, and LMP8603. These all are 60V Common Mode, Bidirectional Precision Current Sensing amplifier with different gain. This board has a LMP860X part mounted on the PCB together with the (...)

使用指南: PDF
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模擬型號

LMP8602 PSPICE Model (Rev. A)

SNOM085A.ZIP (18 KB) - PSpice Model
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計算工具

CS-AMPLIFIER-ERROR-TOOL — Current Sense Amplifier Comparison and Error Tool

This Excel calculator provides a comparison between two and five of our standard current sense amplifiers, delivering a chart containing the basic parameters of each device. This calculator also takes system condition inputs from users such as common-mode voltage, supply voltage, shunt resistor (...)
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設計工具

CIRCUIT060035 — 具有窗型比較器電路的雙向電流感測

此雙向電流感測解決方案採用電流感測放大器與高速雙比較器，並具備軌對軌輸入共模範圍，可在比較器輸出 (OUTA 和 OUTB) 處建立過電流 (OC) 警示訊號，如果輸入電流 (IG1) 高於 100 A 或降至 -35 A 以下。在此實作中，兩個過電流警示訊號都是高電位作動，因此當超過 100 A 或 -35 A 閾值時，比較器輸出將會變高。在兩個比較器上實作外部磁滯，因此當電流降低 10% (90 A 和 -31 A) 時，比較器輸出將回到邏輯低狀態。雖然下方電路將分流電阻器 R8 連接至接地，但相同的電路仍適用於高壓側電流感測，最高可達 INA 的共模電壓範圍。
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設計工具

CIRCUIT060037 — 精密過電流閂鎖電路

這個高壓側電流感測解決方案採用電流感測放大器、含整合式參考的比較器以及 P 通道 MOSFET，以建立過電流閂鎖電路。當偵測到負載電流大於 200 mA 時，電路會中斷系統與電源的連接。比較器輸出將閂鎖 (將 P 通道 MOSFET 的閘極電壓保持在 0 V)，直到電路的電源開始循環，因為比較器會驅動 P 通道 MOSFET 的閘極，並將訊號傳送回電流感測放大器的參考針腳。
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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI 是有助於評估類比電路功能的設計和模擬環境。這款全功能設計和模擬套件使用 Cadence® 的類比分析引擎。PSpice for TI 包括業界最大的模型庫之一，涵蓋我們的類比和電源產品組合，以及特定類比行為模型，且使用無需支付費用。

PSpice for TI 設計和模擬環境可讓您使用其內建函式庫來模擬複雜的混合訊號設計。在進行佈局和製造之前，建立完整的終端設備設計和解決方案原型，進而縮短上市時間並降低開發成本。 

在 PSpice for TI 設計與模擬工具中，您可以搜尋 TI (...)
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模擬工具

TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
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參考設計

TIDA-00302 — 具瞬態穩定性的電流分流監控器參考設計

This high-side current shunt monitor is used to measure the voltage developed across a current-sensing resistor when current passes through it.

Additionally, an external protection circuit is implemented to provide surge and fast-transient protection and demonstrate the different immunity levels to (...)

Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian
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