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CM1003-BHS

Public Made by Adom

by adom

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

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CM1003-BHS

iCM(创芯微) · IC · SOT-23-6

CM1003-BHS 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 output that switches the discharge MOSFET off during over-discharge, discharge over-current, and load short-circuit; its absolute maximum voltage range is VSS-0.3 V to VDD+0.3 V.
2 VM input Charge/discharge current detection terminal connected to the negative terminal of the charger or load, with an absolute maximum input voltage range of VDD-28 V to VDD+0.3 V.
3 CO output Charge MOSFET control output that switches the charge MOSFET off during over-charge and charge over-current; its absolute maximum output voltage range 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 supply (battery); VDD to VSS absolute maximum range is VSS-0.3 V to VSS+8.0 V.
6 VSS power_in Power ground terminal connected to the negative terminal of the supply (battery).

Key specifications

Parameter Value
Manufacturer iCM(创芯微)
Package SOT-23-6
Category
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
Input voltage between VDD and VSS (absolute maximum) VDD -0.3 8 V Printed as VSS-0.3 ~ VSS+8.0; referenced to VSS 5
VM input terminal voltage (absolute maximum) VVM -28 0.3 V Printed as VDD-28 ~ VDD+0.3; referenced to VDD 5
CO output terminal voltage (absolute maximum) VCO -0.3 0.3 V Printed as VVM-0.3 ~ VDD+0.3; min referenced to VM, max referenced to VDD 5
DO output terminal voltage (absolute maximum) VDO -0.3 0.3 V Printed as VSS-0.3 ~ VDD+0.3; min referenced to VSS, max referenced to VDD 5
Operating temperature range TOPR -40 85 °C 5
Storage temperature range TSTG -55 125 °C 5
Normal operating current IOPE 0.9 1.5 3 μA Ta = +25°C; VDD=3.5V, VVM=0V 6
Overdischarge current IOPED 0.5 1 μA Ta = +25°C; VDD=VVM=1.5V 6
Overcharge detection voltage VOC 4.4 4.425 4.45 V Ta = +25°C; VDD=3.5 → 4.8V 6
Overcharge release voltage VOCR 4.18 4.225 4.27 V Ta = +25°C; VDD=4.8 → 3.5V 6
Overdischarge detection voltage VOD 2.65 2.7 2.75 V Ta = +25°C; VDD=3.5 → 2.0V 6
Overdischarge release voltage VODR 2.9 3 3.1 V Ta = +25°C; VDD=2.0 → 3.5V 6
Discharge overcurrent detection voltage VEC 0.14 0.15 0.16 V Ta = +25°C; VM-VSS=0 → 0.30V 6
Load short-circuit detection voltage VSHORT 0.44 0.5 0.56 V Ta = +25°C; VM-VSS=0 → 1.5V 6
Charge overcurrent detection voltage VCHA -0.11 -0.1 -0.09 V Ta = +25°C; VSS-VM=0 → 0.30V 6
Overcharge detection delay time TOC 700 1000 1300 ms Ta = +25°C; VDD=3.5 → 4.8V 6
Overdischarge detection delay time TOD 44.8 64 83.2 ms Ta = +25°C; VDD=3.5 → 2.0V 6
Discharge overcurrent detection delay time TEC 11.2 16 20.8 ms Ta = +25°C; VM-VSS=0 → VEC+0.1V 6
Charge overcurrent detection delay time TCHA 11.2 16 20.8 ms Ta = +25°C; VSS-VM=0 → 0.30V 6
Load short-circuit detection delay time TSHORT 140 280 504 μs Ta = +25°C; VM-VSS=0 → 1.5V 6
VDD terminal to VM terminal internal resistance RVMC 750 1500 3000 kΩ Ta = +25°C; VDD=1.8V, VVM=0V 6
VM terminal to VSS terminal internal resistance RVMS 10 20 30 kΩ Ta = +25°C; VDD=3.5V, VVM=1.0V 6
CO terminal resistance H RCOH 5 10 20 kΩ Ta = +25°C 6
CO terminal resistance L RCOL 5 10 20 kΩ Ta = +25°C 6
DO terminal resistance H RDOH 5 10 20 kΩ Ta = +25°C 6
DO terminal resistance L RDOL 5 10 20 kΩ Ta = +25°C 6
Battery voltage inhibiting charge to 0V battery V0IN 0.9 1.2 1.5 V Ta = +25°C; 0V battery charge inhibit function 6
Normal operating current IOPE 0.6 1.5 5 μA Ta = -20°C ~ +60°C; VDD=3.5V, VVM=0V 7
Overdischarge current IOPED 0.5 1.5 μA Ta = -20°C ~ +60°C; VDD=VVM=1.5V 7
Overcharge detection voltage VOC 4.4 4.425 4.45 V Ta = -20°C ~ +60°C; VDD=3.5 → 4.8V 7
Overcharge release voltage VOCR 4.15 4.225 4.3 V Ta = -20°C ~ +60°C; VDD=4.8 → 3.5V 7
Overdischarge detection voltage VOD 2.62 2.7 2.78 V Ta = -20°C ~ +60°C; VDD=3.5 → 2.0V 7
Overdischarge release voltage VODR 2.88 3 3.12 V Ta = -20°C ~ +60°C; VDD=2.0 → 3.5V 7
Discharge overcurrent detection voltage VEC 0.135 0.15 0.165 V Ta = -20°C ~ +60°C; VM-VSS=0 → 0.30V 7
Load short-circuit detection voltage VSHORT 0.41 0.5 0.59 V Ta = -20°C ~ +60°C; VM-VSS=0 → 1.5V 7
Charge overcurrent detection voltage VCHA -0.115 -0.1 -0.085 V Ta = -20°C ~ +60°C; VSS-VM=0 → 0.30V 7
Overcharge detection delay time TOC 500 1000 2000 ms Ta = -20°C ~ +60°C; VDD=3.5 → 4.8V 7
Overdischarge detection delay time TOD 32 64 128 ms Ta = -20°C ~ +60°C; VDD=3.5 → 2.0V 7
Discharge overcurrent detection delay time TEC 8 16 32 ms Ta = -20°C ~ +60°C; VM-VSS=0 → VEC+0.1V 7
Charge overcurrent detection delay time TCHA 8 16 32 ms Ta = -20°C ~ +60°C; VSS-VM=0 → 0.30V 7
Load short-circuit detection delay time TSHORT 112 280 616 μs Ta = -20°C ~ +60°C; VM-VSS=0 → 1.5V 7
VDD terminal to VM terminal internal resistance RVMC 500 1500 6000 kΩ Ta = -20°C ~ +60°C; VDD=1.8V, VVM=0V 7
VM terminal to VSS terminal internal resistance RVMS 7.5 20 40 kΩ Ta = -20°C ~ +60°C; VDD=3.5V, VVM=1.0V 7
CO terminal resistance H RCOH 2.5 10 30 kΩ Ta = -20°C ~ +60°C 7
CO terminal resistance L RCOL 2.5 10 30 kΩ Ta = -20°C ~ +60°C 7
DO terminal resistance H RDOH 2.5 10 30 kΩ Ta = -20°C ~ +60°C 7
DO terminal resistance L RDOL 2.5 10 30 kΩ Ta = -20°C ~ +60°C 7
Battery voltage inhibiting charge to 0V battery V0IN 0.6 1.2 1.8 V Ta = -20°C ~ +60°C; 0V battery charge inhibit function 7
External resistor R1 (typical application) R1 470 470 1500 Ω Typical application circuit (Table 8); external component parameter range 10
External capacitor C1 (typical application) C1 0.047 0.1 0.22 μF Typical application circuit (Table 8); external component parameter range 10
External resistor R2 (typical application) R2 1 2 3 kΩ Typical application circuit (Table 8); external component parameter range 10
Discharge overcurrent release voltage VDIOV 0.1 V Ta = +25°C 6
Discharge overcurrent release voltage VDIOV 0.1 V Ta = -20°C ~ +60°C 7

CAD (KiCad official)

  • Symbol: CM1003-BHS
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: cm1003-bhs-etched.step / cm1003-bhs-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cm1003-bhs.step / cm1003-bhs.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 7ca46d42da0849cb, 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