{"id":8463,"date":"2026-06-29T02:13:50","date_gmt":"2026-06-29T02:13:50","guid":{"rendered":"https:\/\/materialparts.com\/bq27510drzt\/"},"modified":"2026-06-29T06:27:49","modified_gmt":"2026-06-29T06:27:49","slug":"bq27510drzt","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/bq27510drzt\/","title":{"rendered":"BQ27510DRZT"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The BQ27510DRZT from Texas Instruments is a system-side Impedance Track fuel gauge for single-cell Li-Ion batteries in tape-and-reel packaged 12-SON (2.5×4 mm). It provides the same core fuel gauging functionality with direct battery connection, I2C communication, and patented Impedance Track algorithm for accurate SOC and capacity estimation.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u529f\u80fd<\/td>\nBattery Fuel Gauge \/ Monitor<\/td>\n<\/tr>\n
Battery Chemistry<\/td>\nLithium-Ion (single cell)<\/td>\n<\/tr>\n
Algorithm<\/td>\nImpedance Track<\/td>\n<\/tr>\n
Interface<\/td>\nI2C (7-bit address: 0x55)<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n2.7V to 5.5V<\/td>\n<\/tr>\n
Max Output Current<\/td>\n16 mA<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n12-VFDFN\/SON (2.5 x 4 x 0.95 mm)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nTape and Reel<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Patented Impedance Track algorithm for accurate fuel gauging<\/li>\n
  • Direct battery connection without separate FET<\/li>\n
  • Automatic compensation for battery aging and temperature<\/li>\n
  • I2C interface with standard and extended command sets<\/li>\n
  • Multiple power modes: Normal, Sleep, Hibernate<\/li>\n
  • Battery insertion detection and low-battery interrupt<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Portable electronics battery monitoring<\/li>\n
    • Smartphone and tablet fuel gauging<\/li>\n
    • Handheld industrial instruments<\/li>\n
    • E-book reader battery management<\/li>\n
    • Wearable device power monitoring<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The BQ27510DRZT from Texas Instruments is a system-side Impedance Track fuel gauge for single-cell Li-Ion batteries in tape-and-reel packaged 12-SON (2.5×4 mm). It provides the same core fuel gauging functionality with direct battery connection, I2C communication, and patented Impedance Track algorithm for accurate SOC and capacity estimation. Key Specifications Function Battery Fuel Gauge […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,29],"tags":[],"chip_brand":[138],"class_list":["post-8463","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-power-management-ics-pmic","chip_brand-ti"],"acf":{"brief_explanation":"System-side Impedance Track Li-Ion fuel gauge, 1-cell, I2C, 12-SON, tape-and-reel","date_code":"","package_case":"12-VFDFN\/SON (2.5 x 4 x 0.95 mm)","in_stock":6012,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/bq27510-g2.pdf","price":"$1.15 @ 1ku","product_introduction":"The Texas Instruments BQ27510DRZT is a system-side Impedance Track fuel gauge for single-cell lithium-ion batteries with direct battery connection. It provides accurate state-of-charge, remaining capacity (mAh), run-time to empty (min), battery voltage (mV), and temperature readings via the I2C interface. The Impedance Track algorithm uses cell measurements including open-circuit voltage and impedance to create SOC predictions achieving less than 1% error across varied operating conditions and battery lifetime. The device supports multiple power modes including Normal, Sleep, and Hibernate to minimize power consumption when the system is idle. It is available in tape-and-reel packaging for automated assembly.","working_principle":"The BQ27510DRZT fuel gauge uses TI's patented Impedance Track algorithm combining coulomb counting with cell impedance modeling. During battery relaxation, the device measures open-circuit voltage (OCV) which correlates with absolute SOC via a lookup table. During charge\/discharge, an integrated coulomb counter tracks current through a low-value sense resistor while the impedance model compensates for rate-dependent and temperature-dependent effects. The Ra tables stored in data flash are continuously updated during field operation to track battery aging. The device transitions automatically between Normal mode (active measurement), Sleep mode (reduced current, periodic measurements), and Hibernate mode (ultra-low current) based on detected activity. Standard and extended I2C commands provide access to real-time data, configuration registers, and data flash for customization.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>SRP<\/td>Current Sense Resistor Positive Input<\/td><\/tr>
      2<\/td>SRN<\/td>Current Sense Resistor Negative Input<\/td><\/tr>
      3<\/td>BAT<\/td>Battery Voltage Input (PACK+)<\/td><\/tr>
      4<\/td>TS<\/td>Thermistor Input<\/td><\/tr>
      5<\/td>BAT_LOW<\/td>Battery Low Interrupt Output<\/td><\/tr>
      6<\/td>BAT_INSERT<\/td>Battery Insert Indicator<\/td><\/tr>
      7<\/td>SDA<\/td>I2C Data (Open-Drain)<\/td><\/tr>
      8<\/td>SCL<\/td>I2C Clock Input<\/td><\/tr>
      9<\/td>GND<\/td>Ground<\/td><\/tr>
      10<\/td>VCC<\/td>Supply Voltage (2.7-5.5V)<\/td><\/tr>
      11<\/td>BT\/TOUT<\/td>Thermistor Bias \/ Test Output<\/td><\/tr>
      12<\/td>PAD<\/td>Exposed Thermal Pad (GND)<\/td><\/tr><\/table>","application_scenarios":"
      • Portable Electronics<\/b>: Accurate runtime display and low-battery warning in smartphones and tablets with direct battery connection simplifying PCB layout<\/li>
      • Industrial Handhelds<\/b>: Battery health monitoring in rugged field instruments with Impedance Track tracking degradation over years of cycling<\/li>
      • Wearable Devices<\/b>: Hibernate mode extends standby with periodic SOC updates for smartwatches and fitness trackers<\/li>
      • Smart Meters<\/b>: Non-removable Li-Ion cell monitoring in utility meters with 10+ year operational lifetime requirements<\/li>
      • Medical Portables<\/b>: Precise capacity reporting in patient-worn monitors and portable diagnostic equipment<\/li><\/ul>","alternative_models":"
        Model<\/th>Brand<\/th>Algorithm<\/th>Cells<\/th>Package<\/th><\/tr>
        BQ27510DRZR-G2<\/td>TI<\/td>Impedance Track<\/td>1<\/td>12-SON<\/td><\/tr>
        BQ27510DRZT-G3<\/td>TI<\/td>Impedance Track<\/td>1<\/td>12-SON<\/td><\/tr>
        BQ27426YZFR<\/td>TI<\/td>Impedance Track Lite<\/td>1<\/td>9-DSBGA<\/td><\/tr>
        MAX17055MAX+T<\/td>ADI<\/td>ModelGauge m5<\/td>1<\/td>14-TDFN<\/td><\/tr>
        LC709203FXE<\/td>onsemi<\/td>HDQ<\/td>1<\/td>12-WQFN<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=8463"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8463\/revisions"}],"predecessor-version":[{"id":8585,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8463\/revisions\/8585"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=8463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=8463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=8463"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=8463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}