ZHCSL90A August   2020  – May 2026 TPS25980

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. 器件比较表
  6. 引脚配置和功能
  7. 规格
    1. 6.1 绝对最大额定值
    2. 6.2 ESD 等级
    3. 6.3 建议运行条件
    4. 6.4 热性能信息
    5. 6.5 电气特性
    6. 6.6 时序要求
    7. 6.7 开关特性
    8. 6.8 典型特性
  8. 详细说明
    1. 7.1 概述
    2. 7.2 功能方框图
    3. 7.3 特性说明
      1. 7.3.1 欠压保护(UVLO 和 UVP)
      2. 7.3.2 过压保护 (OVP)
      3. 7.3.3 浪涌电流、过流和短路保护
        1. 7.3.3.1 压摆率和浪涌电流控制 (dVdt)
        2. 7.3.3.2 断路器
        3. 7.3.3.3 短路保护
      4. 7.3.4 过热保护 (OTP)
      5. 7.3.5 模拟负载电流监测器 (IMON)
      6. 7.3.6 电源正常 (PG)
      7. 7.3.7 负载检测/握手 (LDSTRT)
    4. 7.4 故障响应
    5. 7.5 器件功能模式
  9. 应用和实施
    1. 8.1 应用信息
    2. 8.2 典型应用:医疗应用中的患者监护系统
      1. 8.2.1 设计要求
      2. 8.2.2 详细设计过程
        1. 8.2.2.1 器件选择
        2. 8.2.2.2 设置限流阈值:RILIM 选型
        3. 8.2.2.3 设置欠压锁定设定点
        4. 8.2.2.4 选择电流监测电阻器:RIMON
        5. 8.2.2.5 设置输出电压斜坡时间 (TdVdt)
          1. 8.2.2.5.1 情况 1:在不含负载的条件下启动:仅输出电容 COUT 消耗电流
          2. 8.2.2.5.2 情况 2:在含有负载的条件下启动:输出电容 COUT 和负载消耗电流
        6. 8.2.2.6 设置负载握手 (LDSTRT) 延迟
        7. 8.2.2.7 设置瞬态过流消隐时间间隔 (tITIMER)
        8. 8.2.2.8 设置自动重试延迟和重试次数
      3. 8.2.3 应用曲线
    3. 8.3 系统示例
      1. 8.3.1 光学模块电源轨路径保护
        1. 8.3.1.1 设计要求
        2. 8.3.1.2 器件选择
        3. 8.3.1.3 外部元件设置
        4. 8.3.1.4 压降
        5. 8.3.1.5 应用曲线
      2. 8.3.2 针对 12V 电压轨应用的输入保护:PCIe 卡、存储接口和直流风扇
    4. 8.4 电源相关建议
      1. 8.4.1 瞬态保护
      2. 8.4.2 输出短路测量
    5. 8.5 布局
      1. 8.5.1 布局指南
      2. 8.5.2 布局示例
  10. 器件和文档支持
    1. 9.1 文档支持
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 商标
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10修订历史记录
  12. 11机械、封装和可订购信息

电气特性

(测试条件,除非另有说明)–40°C ≤ TJ ≤ 125°C,VIN = 12V(对于 TPS259804x/7x)、5V(对于 TPS259803x)、3.3V(对于 TPS259802x),VEN/UVLO = 2V,RILIM = 1,650Ω,CdVdT = 开路,OUT = 开路。所有电压均以 GND 为基准。 
参数 测试条件 最小值 典型值 最大值 单位
输入电源 (IN)
VIN 输入电压范围 2.7 24 V
IQ IN 静态电流 VEN ≥ VUVLO(R) 800 1200 µA
ISD IN 关断电流 VSD < VEN < VUVLO 204 300 µA
VEN < VSD 3.67 20 µA
VUVP IN 欠压保护阈值 VIN 上升 2.46 2.53 2.6 V
VIN 下降 2.35 2.42 2.49 V
过压保护 (IN)
VOVP(R) 过压保护阈值 TPS259802x,VIN 上升 3.62 3.7 3.76 V
TPS259803x,VIN 上升 7.39 7.6 7.76 V
TPS259804x,VIN 上升 16.32 16.9 17.31 V
VOVP(F) TPS259802x,VIN 下降 3.52 3.6 3.66 V
TPS259803x,VIN 下降 7.22 7.4 7.55 V
TPS259804x,VIN 下降 15.80 16.4 16.81 V
输出电流监测器 (IMON)
GIMON 电流监测器增益 (IIMON:IOUT) 3A ≤ IOUT ≤ min(8A, ILIM) 228.78 246 263.22 µA/A
输出电流限制 (ILIM)
ILIM IOUT 电流限制阈值 RILIM = 773Ω,TJ = 25°C 1.76 2 2.17 A
RILIM = 773Ω,TJ = -40 至 125°C 1.53 2 2.43 A
RILIM = 300Ω,TJ = 25°C 4.75 4.98 5.23 A
RILIM = 300Ω,TJ = -40 至 125°C 4.36 4.98 5.66 A
RILIM = 182Ω,TJ = 25°C 7.77 8.13 8.54 A
RILIM = 182Ω,TJ = -40 至 125°C 7.23 8.13 9.07 A
RILIM = 开路 0 A
ICB ILIM 引脚短接至 GND 条件下(单点失效)的 IOUT 断路器阈值 RILIM = 短接至 GND,TJ = 25℃ 20 A
ISC 短路快速跳变阈值 210 % ILIM
导通电阻 (IN - OUT)
RON 导通状态电阻 TJ = 25°C,IOUT = 2A 3
TJ = -40 至 125℃,IOUT = 2A 5
使能/欠压锁定 (EN/UVLO)
VUVLO(R) EN/UVLO 引脚电压阈值 VEN 上升 1.18 1.2 1.23 V
VUVLO(F) VEN 下降 1.08 1.1 1.13 V
VSD 最低关断电流的 EN/UVLO 引脚电压阈值 VEN 下降 0.59 0.8 V
IENLKG EN/UVLO 引脚泄漏电流 0.1 µA
电源正常状态指示 (PG)
VPGD PG 引脚低电压(PG 置为无效) VIN < VUVP,VEN < VSD,IPG = 26µA 651 786 mV
VIN = 3.3V,IPG ≤ 5mA 320 mV
VIN ≥ 5V,IPG ≤ 5mA 100 mV
IPGLKG PG 引脚泄漏电流(PG 置为有效) PG 通过 10kΩ 上拉至 5V 1.7 µA
RON(PGA) PG 置为有效时的 RON 4.2
VPGTHD PG 置为无效时的 VIN - VOUT 阈值 0.224 0.326 0.450 V
自动重试延迟间隔 (RETRY_DLY)
VRETRY_DLY(R) RETRY_DLY 振荡器比较器阈值 1.1 V
VRETRY_DLY(F) 0.35 V
VRETRY_DLY_HYS RETRY_DLY 振荡器磁滞 0.65 0.75 0.85 V
IRETRY_DLY RETRY_DLY 引脚偏置电流 1.7 2.05 2.5 µA
自动重试次数 (NRETRY)
VNRETRY(R) NRETRY 振荡器比较器阈值 1.1 V
VNRETRY(F) 0.35 V
VNRETRY_HYS NRETRY 振荡器磁滞 0.65 0.75 0.85 V
INRETRY NRETRY 引脚偏置电流 1.7 2.05 2.5 µA
电流故障计时器 (ITIMER)
IITIMER ITIMER 放电电流 ISC > IOUT > ILIM 1.4 2.1 2.8 µA
RITIMER ITIMER 内部上拉电阻 IOUT < ILIM 23 kΩ
VINT ITIMER 引脚默认电压 IOUT < ILIM 2.5 V
VITIMER ITIMER 比较器下降阈值 ISC > IOUT > ILIM,ITIMER 电压上升 1.53 V
ΔVITIMER ITIMER 比较器电压阈值差值 ISC > IOUT > ILIM,ITIMER 电压下降 0.7 0.98 1.3 V
LDSTRT
VLDSTRT LDSTRT 上升阈值 LDSTRT 电压上升 1.1 1.21 1.3 V
ILDSTRT LDSTRT 充电电流 PG 置为有效 1.7 2.05 var tiPageName = 'Literature reader-ZHCSL90A-zh_CN'; var tiDocType = 'Data Sheet'; var tiLibraryStore = new com.TI.tiLibrary.tiLibraryStore(); var tiLibraryViewerStore = tiLibraryStore.viewer_store; RiotControl.addStore(tiLibraryStore); var subRoutes = riot.route.create(); subRoutes("/document-viewer/*/datasheet/*\\?*#*", function(gpn, url, params, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + gpn + "/datasheet/" + url + "#" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/datasheet/*#*", function(gpn, url, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + gpn + "/datasheet/" + url + "#" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/datasheet/*", function(gpn, url) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + gpn + "/datasheet/" + url, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/*/datasheet/*\\?*#*", function(locale, gpn, url, params, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + locale + "/" + gpn + "/datasheet/" + url + "#" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/*/datasheet/*#*", function(locale, gpn, url, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + locale + "/" + gpn + "/datasheet/" + url + "#" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/*/datasheet/*", function(locale, gpn, url) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + locale + "/" + gpn + "/datasheet/" + url, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/datasheet#*/*", function(gpn, url, fragment) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + gpn + "/datasheet#" + url + "/" + fragment, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/*/datasheet#*/*", function(locale, gpn, url, fragment) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + locale + "/" + gpn + "/datasheet#" + url + "/" + fragment, toc: true, set_content: true }); }); subRoutes("/document-viewer/lit/html/*", function(litnum) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/lit/html/" + litnum, toc: true, set_content: true }); }); subRoutes("/document-viewer/lit/html/*/*\\?*#*", function(litnum, url, params, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/lit/html/" + litnum + "/" + url + "#" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/lit/html/*/*#*", function(litnum, url, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/lit/html/" + litnum + "/" + url + "#" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/lit/html/*#*/*", function(litnum, url, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/lit/html/" + litnum + "#" + url + "/" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/lit/html/*#*/*", function(locale, litnum, url, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + locale + "/lit/html/" + litnum + "#" + url + "/" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/lit/html/*/*", function(litnum, url) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/lit/html/" + litnum + "/" + url, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/lit/html/*/*\\?*#*", function(locale, litnum, url, params, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + locale + "/lit/html/" + litnum + "/" + url + "#" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/lit/html/*/*#*", function(locale, litnum, url, anchor) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + locale + "/lit/html/" + litnum + "/" + url + "#" + anchor, toc: true, set_content: true }); }); subRoutes("/document-viewer/*/lit/html/*/*", function(locale, litnum, url) { RiotControl.trigger("ti_library_open_viewer", { document: tiLibraryViewerStore.document, documentLocale: tiLibraryViewerStore.documentLocale, url: "/document-viewer/" + locale + "/lit/html/" + litnum + "/" + url, toc: true, set_content: true }); }); var compose_url = function(q) { //URL format: scheme:[//[user[:password]@]host[:port]][/path][?query][#fragment] var tempUrl = q.url.replace("//www.ti.com.cn/", ""); var url = tempUrl.replace("//www.ti.com.cn/", ""); if (q.search != null) { var params = ""; var hash = ""; var url_parts = url.split('#'); if (url_parts.length == 2) { url = url_parts[0]; hash = url_parts[1]; } var param_parts = url.split('?'); if (param_parts.length == 2) { url = param_parts[0]; var parsed_params = param_parts[1].split('&'); var keyword_param_found = false; for (var i = 0; i < parsed_params.length; i++) { if (parsed_params[i].indexOf('search=') == 0) { keyword_param_found = true; parsed_params[i] = 'search=' + q.search; } } if (!keyword_param_found) { parsed_params.push('search=' + q.search); } params = parsed_params.join('&'); } else { params = 'search=' + q.search; } if (params > "") { url = url + '?' + params; } if (hash > "") { url = url + '#' + hash; } } return url; }; tiLibraryViewerStore.compose_url_route = function(location, q) { return compose_url(q); }; tiLibraryViewerStore.compute_content_href = function(href, url) { return url; }; tiLibraryViewerStore.compose_topic_url = function(location, q) { return compose_url(q); }; tiLibraryViewerStore.important_notice_url = "//www.ti.com.cn/document-viewer/cn/lit/html/ZHCSL90A/important_notice#ImpNotice001"; var ods_reader = riot.mount('ti-library-viewer', { store: tiLibraryStore.list_store, viewerstore: tiLibraryViewerStore }); riot.route.base('/'); riot.route.start(true); compute_document_locale = function(docName) { var locale = 'en_US'; if (docName) { if (docName.toLowerCase().indexOf('z')===0) { locale = 'zh_CN'; 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} open_reader();