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CM1003-Z

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iCM(创芯微) Battery Management, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CM1003-Z

iCM(创芯微) · Battery Management · SOT-23-6

CM1003-Z from iCM(创芯微), in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 DO output Discharge MOSFET control terminal that drives the discharge-control MOSFET; the datasheet's absolute maximum DO output voltage is VSS-0.3 V to VDD+0.3 V.
2 VM input Charge/discharge current sense terminal, connected to the negative terminal of the charger or load; the datasheet's absolute maximum VM input voltage is VDD-28 V to VDD+0.3 V.
3 CO output Charge MOSFET control terminal that drives the charge-control MOSFET; the datasheet's absolute maximum CO output voltage is VVM-0.3 V to VDD+0.3 V.
4 NC unconnected No connection.
5 VDD power_in Power supply input connected to the positive terminal of the battery; the datasheet's absolute maximum VDD-to-VSS input voltage is VSS-0.3 V to VSS+8.0 V.
6 VSS power_in Power ground connected to the negative terminal of the battery.

Key specifications

Parameter Value
Manufacturer iCM(创芯微)
Package SOT-23-6
Category Power Management (PMIC)
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
正常工作电流 IOPE 0.9 1.5 3 μA Ta=+25°C; VDD=3.5V, VVM=0V 6
过放电流 IOPED 0.5 1 μA Ta=+25°C; VDD=VVM=1.5V 6
过充电保护电压 VOC 4.25 4.275 4.3 V Ta=+25°C; VDD=3.5→4.8V 6
过充电解除电压 VOCR 4.03 4.075 4.12 V Ta=+25°C; VDD=4.8→3.5V 6
过放电保护电压 VOD 2.45 2.5 2.55 V Ta=+25°C; VDD=3.5→2.0V 6
过放电解除电压 VODR 2.8 2.9 3 V Ta=+25°C; VDD=2.0→3.5V 6
放电过流保护电压 VEC 0.14 0.15 0.16 V Ta=+25°C; VM-VSS=0→0.30V 6
短路保护电压 VSHORT 0.44 0.5 0.56 V Ta=+25°C; VM-VSS=0→1.5V 6
充电过流保护电压 VCHA -0.16 -0.15 -0.14 V Ta=+25°C; VSS-VM=0→0.30V 6
过充电保护延时 TOC 700 1000 1300 ms Ta=+25°C; VDD=3.5→4.8V 6
过放电保护延时 TOD 89.6 128 166.4 ms Ta=+25°C; VDD=3.5→2.0V 6
放电过流保护延时 TEC 5.6 8 10.4 ms Ta=+25°C; VM-VSS=0→VEC+0.1V 6
充电过流保护延时 TCHA 5.6 8 10.4 ms Ta=+25°C; VSS-VM=0→0.30V 6
短路保护延时 TSHORT 140 280 504 μs Ta=+25°C; VM-VSS=0→1.5V 6
VDD端子-VM端子间电阻 RVMC 750 1500 3000 kΩ Ta=+25°C; VDD=1.8V, VVM=0V 6
VM端子-VSS端子间电阻 RVMS 10 20 30 kΩ Ta=+25°C; VDD=3.5V, VVM=1.0V 6
CO端子电阻“H” RCOH 5 10 20 kΩ Ta=+25°C 6
CO端子电阻“L” RCOL 5 10 20 kΩ Ta=+25°C 6
DO端子电阻“H” RDOH 5 10 20 kΩ Ta=+25°C 6
DO端子电阻“L” RDOL 5 10 20 kΩ Ta=+25°C 6
禁止向0V电池充电的电池电压 V0IN 0.9 1.2 1.5 V Ta=+25°C; 禁止向0V电池充电功能 6
正常工作电流 IOPE 0.6 1.5 5 μA Ta=-20°C~+60°C; VDD=3.5V, VVM=0V 7
过放电流 IOPED 0.5 1.5 μA Ta=-20°C~+60°C; VDD=VVM=1.5V 7
过充电保护电压 VOC 4.23 4.275 4.32 V Ta=-20°C~+60°C; VDD=3.5→4.8V 7
过充电解除电压 VOCR 4 4.075 4.15 V Ta=-20°C~+60°C; VDD=4.8→3.5V 7
过放电保护电压 VOD 2.42 2.5 2.58 V Ta=-20°C~+60°C; VDD=3.5→2.0V 7
过放电解除电压 VODR 2.78 2.9 3.02 V Ta=-20°C~+60°C; VDD=2.0→3.5V 7
放电过流保护电压 VEC 0.135 0.15 0.165 V Ta=-20°C~+60°C; VM-VSS=0→0.30V 7
短路保护电压 VSHORT 0.41 0.5 0.59 V Ta=-20°C~+60°C; VM-VSS=0→1.5V 7
充电过流保护电压 VCHA -0.165 -0.15 -0.135 V Ta=-20°C~+60°C; VSS-VM=0→0.30V 7
过充电保护延时 TOC 500 1000 2000 ms Ta=-20°C~+60°C; VDD=3.5→4.8V 7
过放电保护延时 TOD 64 128 256 ms Ta=-20°C~+60°C; VDD=3.5→2.0V 7
放电过流保护延时 TEC 4 8 16 ms Ta=-20°C~+60°C; VM-VSS=0→VEC+0.1V 7
充电过流保护延时 TCHA 4 8 16 ms Ta=-20°C~+60°C; VSS-VM=0→0.30V 7
短路保护延时 TSHORT 112 280 616 μs Ta=-20°C~+60°C; VM-VSS=0→1.5V 7
VDD端子-VM端子间电阻 RVMC 500 1500 6000 kΩ Ta=-20°C~+60°C; VDD=1.8V, VVM=0V 7
VM端子-VSS端子间电阻 RVMS 7.5 20 40 kΩ Ta=-20°C~+60°C; VDD=3.5V, VVM=1.0V 7
CO端子电阻“H” RCOH 2.5 10 30 kΩ Ta=-20°C~+60°C 7
CO端子电阻“L” RCOL 2.5 10 30 kΩ Ta=-20°C~+60°C 7
DO端子电阻“H” RDOH 2.5 10 30 kΩ Ta=-20°C~+60°C 7
DO端子电阻“L” RDOL 2.5 10 30 kΩ Ta=-20°C~+60°C 7
禁止向0V电池充电的电池电压 V0IN 0.6 1.2 1.8 V Ta=-20°C~+60°C; 禁止向0V电池充电功能 7
VDD和VSS之间输入电压 VDD -0.3 8 V Relative to VSS (VSS-0.3 ~ VSS+8.0); Ta=+25°C unless noted 5
VM输入端子电压 VVM -28 0.3 V Relative to VDD (VDD-28 ~ VDD+0.3); Ta=+25°C unless noted 5
CO输出端子电压 VCO -0.3 0.3 V Relative to VVM (min) and VDD (max) (VVM-0.3 ~ VDD+0.3); Ta=+25°C unless noted 5
DO输出端子电压 VDO -0.3 0.3 V Relative to VSS (min) and VDD (max) (VSS-0.3 ~ VDD+0.3); Ta=+25°C unless noted 5
工作温度范围 TOPR -40 85 °C 5
储存温度范围 TSTG -55 125 °C 5
放电过流解除电压 VDIOV 0.15 V Ta=+25°C 6
放电过流解除电压 VDIOV 0.15 V Ta=-20°C~+60°C 7

CAD (KiCad official)

  • Symbol: CM1003-Z
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: cm1003-z-etched.step / cm1003-z-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cm1003-z.step / cm1003-z.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: iCM(创芯微) datasheet (19 pp, sha256 3c6b5737a24e3c26, retrieved 2026-10-18, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF